12 Days of Christmas
141st
99 Bottles of Beer
285th
Arabic to Roman
158th
Christmas Trees
289th
Cubes
77th
Diamonds
227th
Divisors
365th
Emirp Numbers
296th
Evil Numbers
671st
Fibonacci
973rd
Fizz Buzz
582nd
2,082nd
294th
Happy Numbers
324th
Leap Years
285th
Morse Decoder
141st
Morse Encoder
155th
Niven Numbers
435th
Odious Numbers
465th
Ordinal Numbers
354th
Pangram Grep
378th
Pascalβs Triangle
251st
Pernicious Numbers
288th
Prime Numbers
634th
Quine
216th
Rock-paper-scissors-Spock-lizard
67th
Roman to Arabic
189th
Rule 110
97th
Seven Segment
147th
Spelling Numbers
109th
Sudoku
72nd
Ten-pin Bowling
107th
Ξ»
58th86th31st35th47th126th36th28th
Ο
338th
Ο
225th
Ο
46th
313th
56th
β2
60th
461st
52nd
π
69th
59th350th60th62nd