12 Days of Christmas
228th
Abundant Numbers
179th
75th
407th
brainfuck
32nd
246th
Catalan Numbers
334th
Christmas Trees
613th
Collatz
438th
Cubes
98th
Diamonds
499th
Divisors
272nd
105th
304th
Emirp Numbers
566th
Evil Numbers
204th86th
72nd45th
570th
Fibonacci
410th136th83rd147th63rd108th895th
Fizz Buzz
244th
153rd
54th
Fractions
77th41st
316th
Happy Numbers
93rd
57th
266th
Happy Numbers (Long)
155th
Leap Years
613th
Leyland Numbers
35th
191st
Look and Say
269th
Niven Numbers
79th
383rd
Odious Numbers
160th
64th45th
482nd
Pascal’s Triangle
54th
222nd
Pernicious Numbers
104th
255th
Prime Numbers
235th79th46th109th
435th
Quine
63rd
Recamán
283rd
Reverse Polish Notation
19th
169th
Roman to Arabic
222nd
Rule 110
195th
Sierpiński Triangle
293rd
Smith Numbers
159th
Sudoku
12th
111th
Sudoku (Fill-in)
80th
Van Eck Sequence
21st
263rd
√2
382nd