12 Days of Christmas
287th
Abundant Numbers
178th
74th
426th
brainfuck
32nd
257th
Catalan Numbers
332nd
Christmas Trees
612th
Collatz
437th
Cubes
123rd
Diamonds
499th
Divisors
272nd
105th
334th
Emirp Numbers
573rd
Evil Numbers
203rd85th
72nd44th
568th
Fibonacci
410th135th88th147th63rd108th890th
Fizz Buzz
241st
153rd
194th
Fractions
77th40th
324th
Happy Numbers
93rd
56th
286th
Happy Numbers (Long)
166th
Leap Years
627th
Leyland Numbers
35th
204th
Look and Say
272nd
Niven Numbers
79th
388th
Odious Numbers
160th
64th44th
482nd
Pascal’s Triangle
54th
233rd
Pernicious Numbers
103rd
257th
Prime Numbers
234th78th45th108th
452nd
Quine
63rd
Recamán
288th
Reverse Polish Notation
19th
173rd
Roman to Arabic
229th
Rule 110
203rd
Sierpiński Triangle
294th
Smith Numbers
164th
Sudoku
12th
119th
Sudoku (Fill-in)
89th
Van Eck Sequence
21st
265th
√2
381st