12 Days of Christmas
425th
Abundant Numbers
529th
Abundant Numbers (Long)
139th
Arabic to Roman
707th
Arrows
917th
brainfuck
145th
Christmas Trees
1,583rd
Collatz
369th
Diamonds
858th
Divisors
520th
Emirp Numbers
443rd
Emirp Numbers (Long)
800th
Evil Numbers
1,439th
Evil Numbers (Long)
1,220th
Fibonacci
1,119th
Fizz Buzz
3,409th
Foo Fizz Buzz Bar
274th
Fractions
720th
Happy Numbers
899th
Happy Numbers (Long)
339th
Intersection
204th
Kolakoski Sequence
167th
Leap Years
1,412th
Leyland Numbers
530th
Look and Say
721st
Lucky Numbers
838th
Niven Numbers
366th
Niven Numbers (Long)
692nd
Odious Numbers
1,428th
Odious Numbers (Long)
1,201st
Ordinal Numbers
414th
Pangram Grep
231st
Pascal’s Triangle
635th
Pernicious Numbers
1,736th
Pernicious Numbers (Long)
913th
Prime Numbers
1,669th
Prime Numbers (Long)
1,662nd
Quine
2,112th
Recamán
292nd
Roman to Arabic
937th
Smith Numbers
758th
Spelling Numbers
592nd
Vampire Numbers
337th
Van Eck Sequence
541st
π
2,470th
√2
2,478th
𝑒
2,840th