12 Days of Christmas
28th38th
308th
99 Bottles of Beer
36th47th
409th
Abundant Numbers
39th59th
53rd
Arabic to Roman
55th
163rd
brainfuck
160th
19th
Christmas Trees
48th78th
19th
Cubes
31st
87th
Diamonds
35th48th
133rd
Divisors
39th94th
129th
Emirp Numbers
38th67th
71st
Evil Numbers
43rd128th
65th
50th
Fibonacci
71st233rd
112th
90th118th
Fizz Buzz
82nd103rd31st93rd202nd63rd480th1st113th231st135th150th501st77th268th
Happy Numbers
34th70th
120th
ISBN
57th
Leap Years
36th65th
93rd
Leyland Numbers
77th
Look and Say
121st
Lucky Tickets
19th
44th
Morse Decoder
9th
64th
Morse Encoder
76th
Niven Numbers
35th70th
1st
36th
Odious Numbers
37th103rd
55th
43rd
Ordinal Numbers
49th
41st
Pangram Grep
51st
204th
Pascal’s Triangle
30th77th
58th
Pernicious Numbers
38th64th
45th
Poker
38th
Prime Numbers
53rd38th
80th
48th
Prime Numbers (Long)
37th
49th
Quine
1st
28th1st118th62nd
179th83rd111th76th103rd602nd80th96th
Rock-paper-scissors-Spock-lizard
113th
Roman to Arabic
35th
Rule 110
39th
85th
Seven Segment
38th
112th
Sierpiński Triangle
54th
53rd
Spelling Numbers
12th
75th
Sudoku
10th
37th
Ten-pin Bowling
45th
Tongue-twisters
131st
United States
100th
λ
34th34th
50th
π
35th25th
32nd
33rd
τ
31st17th
25th
32nd
φ
31st18th
1st
30th
√2
32nd21st
15th
𝑒
33rd30th
37th
30th