mscroggs.co.uk
mscroggs.co.uk

subscribe

Advent calendar 2016

19 December

The sum of all the numbers in the eighth row of Pascal's triangle.
Clarification: I am starting the counting of rows from 1, not 0. So (1) is the 1st row, (1 1) is the 2nd row, (1 2 1) is the 3rd row, etc.

Archive

Show me a random puzzle
 Most recent collections 

Advent calendar 2020

Advent calendar 2019

Sunday Afternoon Maths LXVII

Coloured weights
Not Roman numerals

Advent calendar 2018


List of all puzzles

Tags

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

Archive

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