mscroggs.co.uk
mscroggs.co.uk

subscribe

Puzzles

Square pairs

Source: Maths Jam
Can you order the integers 1 to 16 so that every pair of adjacent numbers adds to a square number?
For which other numbers \(n\) is it possible to order the integers 1 to \(n\) in such a way?

Show answer

If you enjoyed this puzzle, check out Sunday Afternoon Maths LIX,
puzzles about square numbers, or a random puzzle.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

elections calculus regular shapes digital clocks averages hexagons tournaments planes ave percentages perimeter scales quadratics dodecagons matrices chocolate geometric mean surds algebra people maths combinatorics axes palindromes multiplication 3d shapes expansions proportion factors multiples sequences lines range star numbers sum to infinity trigonometry number triangles median integers sport logic pascal's triangle speed arrows complex numbers albgebra coins routes pentagons cards dates consecutive integers addition angles symmetry geometry odd numbers factorials area irreducible numbers triangle numbers coordinates mean spheres square numbers consecutive numbers the only crossnumber chalkdust crossnumber determinants sets probabilty chess products quadrilaterals decahedra bases numbers dice polynomials grids cube numbers floors integration differentiation folding tube maps wordplay probability cubics binary division even numbers ellipses tangents unit fractions shape sums cryptic clues polygons circles crosswords time digits rugby crossnumber balancing indices means geometric means squares functions digital products graphs christmas prime numbers rectangles remainders 2d shapes shapes books perfect numbers clocks colouring partitions volume cryptic crossnumbers money advent square roots menace crossnumbers parabolas fractions doubling games taxicab geometry gerrymandering tiling dominos

Archive

Show me a random puzzle
▼ show ▼
© Matthew Scroggs 2012–2024