mscroggs.co.uk
mscroggs.co.uk

subscribe

Comment

Comments

Comments in green were written by me. Comments in blue were not written by me.
Happy New Year, one and all!

I think your links point to last year’s calendar puzzles. As for how to solve the puzzle on 21 December, - permutations of [1,...,n+1] having no substring [k,k+1] - is an option.
(anonymous)
on /blog/88
               
@(anonymous): Thanks, links corrected
Matthew
on /blog/88
               

Archive

Show me a random blog post
 2021 

May 2021

Close encounters of the second kind

Jan 2021

Christmas (2020) is over
 2020 
▼ show ▼
 2019 
▼ show ▼
 2018 
▼ show ▼
 2017 
▼ show ▼
 2016 
▼ show ▼
 2015 
▼ show ▼
 2014 
▼ show ▼
 2013 
▼ show ▼
 2012 
▼ show ▼

Tags

realhats puzzles the aperiodical latex matrix multiplication chess world cup captain scarlet dataset quadrilaterals people maths bempp mathslogicbot manchester science festival binary national lottery guest posts folding tube maps computational complexity ternary news nine men's morris rhombicuboctahedron final fantasy gaussian elimination go christmas preconditioning javascript electromagnetic field gerry anderson martin gardner hats logic chebyshev frobel pascal's triangle golden ratio bubble bobble folding paper boundary element methods estimation weak imposition pi pizza cutting mathsteroids programming weather station hexapawn data visualisation dragon curves geogebra hannah fry ucl royal baby simultaneous equations trigonometry graphs tmip curvature arithmetic speed triangles inline code game show probability misleading statistics statistics approximation wool golden spiral raspberry pi bodmas accuracy menace stirling numbers fractals dates sobolev spaces interpolation palindromes games football signorini conditions graph theory asteroids stickers platonic solids chalkdust magazine exponential growth matrices numbers error bars matt parker wave scattering map projections noughts and crosses a gamut of games geometry christmas card game of life cross stitch mathsjam video games python sound talking maths in public sport london underground light braiding twitter london advent calendar reuleaux polygons reddit propositional calculus pac-man polynomials finite element method flexagons data pythagoras oeis numerical analysis draughts plastic ratio logs machine learning rugby countdown convergence probability radio 4 pi approximation day royal institution books european cup matrix of minors big internet math-off sorting harriss spiral coins squares tennis inverse matrices manchester recursion craft php matrix of cofactors phd determinants cambridge

Archive

Show me a random blog post
▼ show ▼
© Matthew Scroggs 2012–2021