12 Days of Christmas
28th38th
317th
99 Bottles of Beer
36th48th
416th
Abundant Numbers
39th58th
54th
Arabic to Roman
55th
167th
brainfuck
165th
19th
Christmas Trees
49th82nd
19th
Cubes
32nd
88th
Diamonds
36th51st
135th
Divisors
40th96th
134th
Emirp Numbers
38th67th
71st
Evil Numbers
43rd130th
65th
50th
Fibonacci
71st240th
114th
91st120th
Fizz Buzz
83rd104th31st95th205th63rd485th1st113th235th137th153rd509th78th274th
Happy Numbers
34th71st
124th
ISBN
58th
Leap Years
36th67th
95th
Leyland Numbers
78th
Look and Say
125th
Lucky Tickets
19th
45th
Morse Decoder
64th
Morse Encoder
77th
Niven Numbers
36th73rd
1st
38th
Odious Numbers
37th105th
55th
44th
Ordinal Numbers
50th
41st
Pangram Grep
52nd
207th
Pascal’s Triangle
30th81st
60th
Pernicious Numbers
38th69th
46th
Poker
38th
Prime Numbers
56th39th
83rd
49th
Prime Numbers (Long)
37th
52nd
Quine
1st
30th1st119th46th
181st84th116th78th104th618th81st98th
Rock-paper-scissors-Spock-lizard
115th
Roman to Arabic
35th
Rule 110
41st
87th
Seven Segment
39th
113th
Sierpiński Triangle
55th
54th
Spelling Numbers
12th
76th
Sudoku
10th
37th
Ten-pin Bowling
45th
Tongue-twisters
133rd
United States
101st
λ
35th34th
50th
π
35th25th
34th
33rd
τ
31st17th
26th
32nd
φ
31st18th
1st
30th
√2
32nd21st
15th
𝑒
33rd30th
39th
30th