12 Days of Christmas
224th
Abundant Numbers
177th
73rd
396th
brainfuck
32nd
243rd
Catalan Numbers
327th
Christmas Trees
604th
Collatz
426th
Cubes
97th
Diamonds
484th
Divisors
270th
102nd
302nd
Emirp Numbers
557th
Evil Numbers
203rd84th
71st43rd
558th
Fibonacci
408th134th81st146th63rd108th882nd
Fizz Buzz
240th
152nd
53rd
Fractions
75th40th
305th
Happy Numbers
93rd
56th
262nd
Happy Numbers (Long)
152nd
Leap Years
603rd
Leyland Numbers
34th
186th
Look and Say
263rd
Niven Numbers
77th
377th
Odious Numbers
158th
63rd44th
474th
Pascal’s Triangle
53rd
216th
Pernicious Numbers
103rd
248th
Prime Numbers
233rd77th45th107th
426th
Quine
61st
Recamán
277th
Reverse Polish Notation
19th
163rd
Roman to Arabic
219th
Rule 110
192nd
Sierpiński Triangle
285th
Smith Numbers
154th
Sudoku
12th
108th
Sudoku (Fill-in)
80th
Van Eck Sequence
21st
255th
√2
369th