mscroggs.co.uk

mscroggs.co.uk

blog puzzles academic talks contact subscribe ↓ ☰ ↓

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.

2017-12-28

I can solve #2 with code, but is there a tidy maths way to solve it directly?

2018-01-01

@C: look up something called Frobenius numbers. This problem's equivalent to finding the Frobenius number for 14 and 29.

Lewis
on /blog/47

×1

Archive

Show me a random blog post

2026

May 2026

World Cup stickers 2026

Apr 2026

A new puzzle every day
Mixing Wordle with other games

Feb 2026

Christmas (2025) is over

2025

Dec 2025

Christmas card 2025

Nov 2025

Christmas (2025) is coming!

Sep 2025

The partridge puzzle

Aug 2025

TMiP 2025 puzzle hunt

Jun 2025

A nonogram alphabet

Mar 2025

How to write a crossnumber

Jan 2025

Christmas (2024) is over
Friendly squares

2024

Dec 2024

A regular expression Christmas puzzle
Christmas card 2024

Nov 2024

Christmas (2024) is coming!

Feb 2024

Jan 2024

Christmas (2023) is over

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

Tags

light trigonometry harriss spiral estimation turtles matrix of minors golden ratio noughts and crosses partridge puzzle graph theory runge's phenomenon game of life arithmetic game show probability hexapawn dataset javascript mathsjam pokémon crossnumber matrix multiplication finite element method bempp christmas tetris logo propositional calculus craft regular expressions crochet squares games bubble bobble captain scarlet gerry anderson electromagnetic field wool pi approximation day graphs hats world cup misleading statistics final fantasy speed errors wordle bluesky realhats flexagons warwick news reddit talking maths in public frobel fractals triangles sound kenilworth people maths matt parker the aperiodical bots video games stickers matrix of cofactors dragon curves ternary hyperbolic surfaces rugby rust thirteen folding paper pythagoras latex simultaneous equations phd royal institution go dinosaurs anscombe's quartet pokémon wordle geogebra computational complexity coventry machine learning polynomials tennis reuleaux polygons oeis gather town sport big internet math-off binary golden spiral chalkdust magazine signorini conditions mathslogicbot books radio 4 pizza cutting cambridge chess matrices bodmas databet logs puzzles advent calendar sorting inline code pac-man chebyshev data menace quadrilaterals crossnumbers php stirling numbers mean royal baby geometry map projections countdown inverse matrices accuracy curvature live stream programming pi recursion 24 hour maths statistics gaussian elimination crosswords folding tube maps numbers finite group interpolation nine men's morris guest posts a gamut of games fence posts kings arrangement puzzles rhombicuboctahedron platonic solids friendly squares preconditioning national lottery wave scattering data visualisation numerical analysis boundary element methods standard deviation christmas card plastic ratio zines tmip newcastle ucl correlation approximation cross stitch braiding error bars logic edinburgh dates european cup mathsteroids nonograms alphabets probability raspberry pi fonts python datasaurus dozen manchester science festival palindromes draughts determinants football hannah fry exponential growth london underground weak imposition martin gardner asteroids youtube sobolev spaces convergence manchester london coins pascal's triangle weather station

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026