12 Days of Christmas
29th40th
337th
99 Bottles of Beer
38th51st
435th
Abundant Numbers
40th60th
58th
Arabic to Roman
60th
180th
brainfuck
176th
20th
Christmas Trees
50th87th
19th
Cubes
34th
94th
Diamonds
38th51st
146th
Divisors
41st105th
140th
Emirp Numbers
41st73rd
77th
Evil Numbers
44th141st
69th
53rd
Fibonacci
74th258th
126th
99th124th
Fizz Buzz
88th107th31st99th211th67th521st1st116th240th143rd159th539th82nd291st
Happy Numbers
37th75th
130th
ISBN
64th
Leap Years
37th73rd
105th
Leyland Numbers
84th
Look and Say
139th
Lucky Tickets
19th
54th
Morse Decoder
68th
Morse Encoder
82nd
Niven Numbers
39th81st
1st
40th
Odious Numbers
38th117th
60th
48th
Ordinal Numbers
53rd
45th
Pangram Grep
52nd
228th
Pascal’s Triangle
31st85th
64th
Pernicious Numbers
41st77th
49th
Poker
39th
Prime Numbers
58th43rd
91st
53rd
Prime Numbers (Long)
42nd
56th
Quine
1st
23rd1st124th48th
185th85th123rd83rd108th654th83rd110th
Rock-paper-scissors-Spock-lizard
122nd
Roman to Arabic
45th
Rule 110
44th
97th
Seven Segment
40th
122nd
Sierpiński Triangle
59th
57th
Spelling Numbers
14th
83rd
Sudoku
10th
39th
Ten-pin Bowling
50th
Tongue-twisters
148th
United States
109th
λ
36th34th
60th
π
37th28th
39th
38th
τ
32nd19th
27th
35th
φ
32nd19th
1st
33rd
√2
33rd22nd
16th
𝑒
35th32nd
44th
34th