12 Days of Christmas
28th37th
45th
99 Bottles of Beer
36th49th
28th
Abundant Numbers
40th61st
58th
Arabic to Roman
59th
23rd
brainfuck
31st
20th
Christmas Trees
49th86th
19th
Cubes
34th
15th
Diamonds
37th51st
31st
Divisors
41st102nd
139th
Emirp Numbers
38th41st
38th
Evil Numbers
44th140th
68th
53rd
Fibonacci
73rd253rd
123rd
96th120th
Fizz Buzz
87th106th32nd98th211th67th511th1st115th238th142nd155th577th86th281st
Happy Numbers
36th75th
35th
ISBN
61st
Leap Years
36th75th
102nd
Leyland Numbers
87th
Look and Say
137th
Lucky Tickets
19th
34th
Morse Decoder
14th
Morse Encoder
14th
Niven Numbers
38th79th
1st
40th
Odious Numbers
38th115th
58th
48th
Ordinal Numbers
53rd
45th
Pangram Grep
52nd
139th
Pascal’s Triangle
30th84th
64th
Pernicious Numbers
40th75th
49th
Poker
11th
Prime Numbers
57th46th
90th
53rd
Prime Numbers (Long)
45th
56th
Quine
1st
30th1st123rd47th
184th84th122nd81st108th645th82nd109th
Rock-paper-scissors-Spock-lizard
65th
Roman to Arabic
40th
Rule 110
43rd
48th
Seven Segment
39th
25th
Sierpiński Triangle
58th
56th
Spelling Numbers
14th
13th
Sudoku
8th
10th
Ten-pin Bowling
24th
Tongue-twisters
48th
United States
69th
λ
36th35th
12th
π
36th26th
38th
38th
τ
32nd17th
27th
35th
φ
32nd18th
1st
33rd
√2
33rd23rd
16th
𝑒
35th31st
44th
34th