12 Days of Christmas
28th38th
320th
99 Bottles of Beer
36th48th
421st
Abundant Numbers
39th58th
54th
Arabic to Roman
55th
170th
brainfuck
168th
19th
Christmas Trees
49th83rd
19th
Cubes
32nd
89th
Diamonds
36th51st
138th
Divisors
40th96th
134th
Emirp Numbers
38th67th
71st
Evil Numbers
43rd130th
65th
50th
Fibonacci
71st244th
114th
91st120th
Fizz Buzz
83rd104th31st95th206th63rd488th1st113th236th137th153rd510th78th276th
Happy Numbers
34th71st
125th
ISBN
58th
Leap Years
36th67th
96th
Leyland Numbers
80th
Look and Say
129th
Lucky Tickets
19th
46th
Morse Decoder
64th
Morse Encoder
77th
Niven Numbers
36th73rd
1st
39th
Odious Numbers
37th105th
55th
44th
Ordinal Numbers
50th
41st
Pangram Grep
52nd
209th
Pascal’s Triangle
30th82nd
60th
Pernicious Numbers
38th69th
47th
Poker
39th
Prime Numbers
56th39th
85th
50th
Prime Numbers (Long)
37th
54th
Quine
1st
30th1st120th46th
182nd84th118th79th104th622nd82nd99th
Rock-paper-scissors-Spock-lizard
117th
Roman to Arabic
37th
Rule 110
42nd
89th
Seven Segment
39th
117th
Sierpiński Triangle
55th
55th
Spelling Numbers
12th
78th
Sudoku
10th
37th
Ten-pin Bowling
45th
Tongue-twisters
138th
United States
102nd
λ
35th34th
50th
π
35th25th
34th
33rd
τ
31st17th
26th
32nd
φ
31st18th
1st
30th
√2
32nd21st
15th
𝑒
33rd30th
39th
31st