12 Days of Christmas
334th
Abundant Numbers
201st
89th
482nd
brainfuck
35th
295th
Catalan Numbers
378th
Christmas Trees
677th
Collatz
515th
Cubes
141st
Diamonds
547th
Divisors
301st
117th
368th
Emirp Numbers
615th
Evil Numbers
232nd101st
79th61st
640th
Fibonacci
462nd162nd101st160th110th123rd994th
Fizz Buzz
266th
160th
232nd
Fractions
89th46th
375th
Happy Numbers
102nd
62nd
317th
Happy Numbers (Long)
199th
Leap Years
684th
Leyland Numbers
40th
234th
Look and Say
316th
Niven Numbers
86th
435th
Odious Numbers
181st
68th60th
540th
Pascal’s Triangle
59th
262nd
Pernicious Numbers
121st
300th
Prime Numbers
263rd93rd50th120th
505th
Quine
86th
Recamán
321st
Reverse Polish Notation
20th
205th
Roman to Arabic
258th
Rule 110
227th
Sierpiński Triangle
322nd
Smith Numbers
193rd
Sudoku
11th
138th
Sudoku (Fill-in)
107th
Van Eck Sequence
21st
299th
√2
432nd