12 Days of Christmas
232nd
Abundant Numbers
180th
76th
416th
brainfuck
33rd
250th
Catalan Numbers
338th
Christmas Trees
618th
Collatz
447th
Cubes
99th
Diamonds
508th
Divisors
274th
107th
305th
Emirp Numbers
573rd
Evil Numbers
208th89th
73rd48th
584th
Fibonacci
417th141st84th152nd66th110th912th
Fizz Buzz
246th
153rd
54th
Fractions
77th41st
320th
Happy Numbers
94th
59th
268th
Happy Numbers (Long)
159th
Leap Years
619th
Leyland Numbers
35th
194th
Look and Say
274th
Niven Numbers
80th
390th
Odious Numbers
163rd
65th48th
493rd
Pascal’s Triangle
56th
222nd
Pernicious Numbers
105th
260th
Prime Numbers
236th81st46th111th
440th
Quine
65th
Recamán
285th
Reverse Polish Notation
19th
171st
Roman to Arabic
226th
Rule 110
196th
Sierpiński Triangle
295th
Smith Numbers
160th
Sudoku
12th
113th
Sudoku (Fill-in)
82nd
Van Eck Sequence
21st
269th
√2
385th