12 Days of Christmas
323rd
Abundant Numbers
196th
89th
466th
brainfuck
35th
285th
Catalan Numbers
367th
Christmas Trees
670th
Collatz
504th
Cubes
136th
Diamonds
537th
Divisors
294th
114th
360th
Emirp Numbers
607th
Evil Numbers
228th98th
77th61st
625th
Fibonacci
451st157th98th158th105th121st967th
Fizz Buzz
260th
156th
218th
Fractions
84th44th
366th
Happy Numbers
98th
62nd
311th
Happy Numbers (Long)
189th
Leap Years
667th
Leyland Numbers
39th
225th
Look and Say
306th
Niven Numbers
85th
428th
Odious Numbers
178th
67th61st
529th
Pascal’s Triangle
60th
254th
Pernicious Numbers
115th
292nd
Prime Numbers
253rd87th50th118th
493rd
Quine
81st
Recamán
311th
Reverse Polish Notation
20th
196th
Roman to Arabic
252nd
Rule 110
221st
Sierpiński Triangle
314th
Smith Numbers
183rd
Sudoku
12th
128th
Sudoku (Fill-in)
101st
Van Eck Sequence
21st
295th
√2
422nd