12 Days of Christmas
413th
Abundant Numbers
521st
Abundant Numbers (Long)
172nd
Arabic to Roman
685th
Arrows
869th
brainfuck
143rd
Christmas Trees
1,537th
Collatz
421st
Diamonds
818th
Divisors
478th
Emirp Numbers
435th
Emirp Numbers (Long)
761st
Evil Numbers
1,383rd
Evil Numbers (Long)
1,183rd
Fibonacci
1,208th
Fizz Buzz
3,336th
Foo Fizz Buzz Bar
259th
Fractions
670th
Happy Numbers
863rd
Happy Numbers (Long)
342nd
Intersection
231st
Kolakoski Sequence
150th
Leap Years
1,553rd
Leyland Numbers
518th
Look and Say
690th
Lucky Numbers
786th
Niven Numbers
471st
Niven Numbers (Long)
703rd
Odious Numbers
1,373rd
Odious Numbers (Long)
1,149th
Ordinal Numbers
377th
Pangram Grep
275th
Pascal’s Triangle
593rd
Pernicious Numbers
1,666th
Pernicious Numbers (Long)
862nd
Prime Numbers
1,574th
Prime Numbers (Long)
1,570th
Quine
2,061st
Recamán
331st
Roman to Arabic
901st
Smith Numbers
729th
Spelling Numbers
556th
Vampire Numbers
323rd
Van Eck Sequence
491st
π
2,452nd
√2
2,403rd
𝑒
2,746th