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

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

Archive

Show me a random blog post
▼ show ▼

© Matthew Scroggs 2012–2026