12 Days of Christmas
28th40th
331st
99 Bottles of Beer
36th50th
427th
Abundant Numbers
40th59th
56th
Arabic to Roman
59th
177th
brainfuck
172nd
20th
Christmas Trees
49th86th
19th
Cubes
32nd
94th
Diamonds
37th51st
141st
Divisors
41st101st
138th
Emirp Numbers
38th70th
75th
Evil Numbers
43rd136th
67th
52nd
Fibonacci
72nd249th
121st
96th120th
Fizz Buzz
86th106th31st98th211th66th508th1st115th238th142nd155th527th81st279th
Happy Numbers
36th74th
128th
ISBN
61st
Leap Years
36th72nd
100th
Leyland Numbers
83rd
Look and Say
135th
Lucky Tickets
19th
49th
Morse Decoder
66th
Morse Encoder
78th
Niven Numbers
38th78th
1st
40th
Odious Numbers
37th111th
57th
47th
Ordinal Numbers
52nd
45th
Pangram Grep
52nd
218th
Pascal’s Triangle
29th84th
64th
Pernicious Numbers
39th72nd
48th
Poker
39th
Prime Numbers
57th43rd
89th
53rd
Prime Numbers (Long)
42nd
56th
Quine
1st
30th1st122nd46th
184th84th121st81st107th637th82nd106th
Rock-paper-scissors-Spock-lizard
120th
Roman to Arabic
40th
Rule 110
43rd
96th
Seven Segment
39th
119th
Sierpiński Triangle
58th
56th
Spelling Numbers
14th
80th
Sudoku
10th
38th
Ten-pin Bowling
49th
Tongue-twisters
143rd
United States
106th
λ
36th34th
58th
π
36th26th
37th
35th
τ
32nd17th
27th
34th
φ
32nd18th
1st
32nd
√2
33rd21st
16th
𝑒
34th31st
43rd
33rd