12 Days of Christmas
53rd
99 Bottles of Beer
8th
Abundant Numbers
10th
Abundant Numbers (Long)
10th
Arrows
19th
6th
Christmas Trees
45th
Collatz
12th
Diamonds
39th
80th
Evil Numbers
45th
Evil Numbers (Long)
25th
Factorial Factorisation
46th
Fibonacci
67th139th49th530th229th251st38th46th49th87th73rd71st69th29th13th69th
64th170th23rd202nd23rd290th568th105th43rd166th70th21st71st89th177th156th183rd53rd139th27th241st248th23rd86th45th57th39th42nd25th
Fizz Buzz
636th
294th
432nd1,353rd
39th
3,046th
Happy Numbers
100th
ISBN
46th
Levenshtein Distance
21st12th
16th
Pangram Grep
19th
51st
57th
206th
579th
6th
Pascal’s Triangle
68th
Reverse Polish Notation
256th
Rijndael S-box
41st
Rock-paper-scissors-Spock-lizard
19th
Roman to Arabic
46th
18th
14th
Scrambled Sort
12th
Tic-tac-toe
15th
United States
17th
Van Eck Sequence
7th
π
494th
𝑒
34th