12 Days of Christmas
302nd
Abundant Numbers
191st
81st
454th
brainfuck
33rd
275th
Catalan Numbers
350th
Christmas Trees
639th
Collatz
473rd
Cubes
130th
Diamonds
522nd
Divisors
288th
111th
347th
Emirp Numbers
593rd
Evil Numbers
221st93rd
75th58th
602nd
Fibonacci
443rd150th95th154th87th113th937th
Fizz Buzz
254th
155th
209th
Fractions
82nd44th
347th
Happy Numbers
97th
60th
300th
Happy Numbers (Long)
182nd
Leap Years
648th
Leyland Numbers
37th
215th
Look and Say
289th
Niven Numbers
82nd
410th
Odious Numbers
172nd
67th59th
511th
Pascal’s Triangle
57th
247th
Pernicious Numbers
111th
277th
Prime Numbers
244th85th49th113th
476th
Quine
72nd
Recamán
298th
Reverse Polish Notation
20th
185th
Roman to Arabic
243rd
Rule 110
214th
Sierpiński Triangle
303rd
Smith Numbers
177th
Sudoku
11th
125th
Sudoku (Fill-in)
93rd
Van Eck Sequence
21st
285th
√2
402nd