12 Days of Christmas
268th
Abundant Numbers
174th
70th
402nd
brainfuck
31st
243rd
Catalan Numbers
311th
Christmas Trees
581st
Collatz
400th
Cubes
116th
Diamonds
466th
Divisors
265th
101st
322nd
Emirp Numbers
545th
Evil Numbers
198th80th
71st40th
546th
Fibonacci
387th123rd83rd142nd61st105th857th
Fizz Buzz
235th
150th
182nd
Fractions
73rd39th
297th
Happy Numbers
90th
56th
271st
Happy Numbers (Long)
156th
Leap Years
593rd
Leyland Numbers
34th
189th
Look and Say
253rd
Niven Numbers
77th
367th
Odious Numbers
153rd
63rd40th
458th
Pascal’s Triangle
53rd
213th
Pernicious Numbers
96th
242nd
Prime Numbers
226th75th45th105th
432nd
Quine
56th
Recamán
269th
Reverse Polish Notation
19th
160th
Roman to Arabic
217th
Rule 110
190th
Sierpiński Triangle
272nd
Smith Numbers
155th
Sudoku
12th
109th
Sudoku (Fill-in)
83rd
Van Eck Sequence
21st
246th
√2
359th