12 Days of Christmas
28th38th
308th
99 Bottles of Beer
35th45th
409th
Abundant Numbers
39th58th
53rd
Arabic to Roman
55th
162nd
brainfuck
155th
19th
Christmas Trees
48th78th
19th
Cubes
31st
86th
Diamonds
35th48th
133rd
Divisors
39th93rd
129th
Emirp Numbers
39th66th
71st
Evil Numbers
43rd127th
65th
50th
Fibonacci
71st230th
111th
89th117th
Fizz Buzz
82nd103rd31st93rd201st63rd476th1st113th229th134th150th494th77th266th
Happy Numbers
34th69th
120th
ISBN
56th
Leap Years
36th64th
93rd
Leyland Numbers
77th
Look and Say
121st
Lucky Tickets
19th
44th
Morse Decoder
9th
62nd
Morse Encoder
74th
Niven Numbers
35th70th
1st
36th
Odious Numbers
36th102nd
55th
43rd
Ordinal Numbers
48th
41st
Pangram Grep
51st
203rd
Pascal’s Triangle
29th76th
58th
Pernicious Numbers
38th64th
44th
Poker
38th
Prime Numbers
52nd38th
80th
47th
Prime Numbers (Long)
36th
49th
Quine
1st
27th1st117th61st
179th82nd109th75th100th597th79th95th
Rock-paper-scissors-Spock-lizard
112th
Roman to Arabic
35th
Rule 110
39th
85th
Seven Segment
38th
112th
Sierpiński Triangle
54th
53rd
Spelling Numbers
12th
74th
Sudoku
10th
37th
Ten-pin Bowling
44th
Tongue-twisters
129th
United States
99th
λ
33rd34th
50th
π
34th25th
32nd
33rd
τ
30th17th
25th
32nd
φ
30th18th
1st
30th
√2
32nd21st
14th
𝑒
32nd30th
37th
30th