12 Days of Christmas
208th
Abundant Numbers
173rd
70th
374th
brainfuck
31st
225th
Catalan Numbers
309th
Christmas Trees
573rd
Collatz
384th
Cubes
94th
Diamonds
461st
Divisors
264th
101st
288th
Emirp Numbers
536th
Evil Numbers
197th77th
70th40th
539th
Fibonacci
386th123rd77th142nd61st105th847th
Fizz Buzz
234th
149th
49th
Fractions
72nd39th
286th
Happy Numbers
89th
56th
251st
Happy Numbers (Long)
145th
Leap Years
577th
Leyland Numbers
34th
176th
Look and Say
247th
Niven Numbers
77th
356th
Odious Numbers
153rd
63rd40th
452nd
Pascal’s Triangle
53rd
202nd
Pernicious Numbers
96th
233rd
Prime Numbers
224th75th45th104th
409th
Quine
56th
Recamán
261st
Reverse Polish Notation
18th
151st
Roman to Arabic
207th
Rule 110
177th
Sierpiński Triangle
267th
Smith Numbers
147th
Sudoku
12th
100th
Sudoku (Fill-in)
73rd
Van Eck Sequence
21st
238th
√2
350th