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 2023

Advent calendar 2022

Advent calendar 2021

Advent calendar 2020


List of all puzzles

Tags

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

Archive

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