12 Days of Christmas
271st
Abundant Numbers
175th
72nd
408th
brainfuck
31st
245th
Catalan Numbers
317th
Christmas Trees
584th
Collatz
409th
Cubes
118th
Diamonds
472nd
Divisors
267th
101st
325th
Emirp Numbers
552nd
Evil Numbers
202nd83rd
71st42nd
551st
Fibonacci
395th126th84th144th61st106th865th
Fizz Buzz
237th
150th
186th
Fractions
74th39th
303rd
Happy Numbers
93rd
56th
272nd
Happy Numbers (Long)
158th
Leap Years
599th
Leyland Numbers
34th
192nd
Look and Say
258th
Niven Numbers
77th
372nd
Odious Numbers
156th
63rd43rd
468th
Pascal’s Triangle
53rd
220th
Pernicious Numbers
97th
245th
Prime Numbers
230th76th45th106th
440th
Quine
57th
Recamán
271st
Reverse Polish Notation
19th
163rd
Roman to Arabic
220th
Rule 110
195th
Sierpiński Triangle
278th
Smith Numbers
158th
Sudoku
12th
110th
Sudoku (Fill-in)
86th
Van Eck Sequence
21st
251st
√2
362nd