12 Days of Christmas
399th
Abundant Numbers
441st
Abundant Numbers (Long)
131st
Arabic to Roman
574th
Arrows
729th
brainfuck
137th
Christmas Trees
1,359th
Collatz
370th
Diamonds
699th
Divisors
400th
Emirp Numbers
394th
Emirp Numbers (Long)
643rd
Evil Numbers
1,192nd
Evil Numbers (Long)
995th
Fibonacci
1,081st
Fizz Buzz
3,483rd
Foo Fizz Buzz Bar
203rd
Fractions
574th
Happy Numbers
741st
Happy Numbers (Long)
293rd
Intersection
199th
Kolakoski Sequence
61st
Leap Years
1,454th
Leyland Numbers
447th
Look and Say
589th
Lucky Numbers
676th
Niven Numbers
371st
Niven Numbers (Long)
550th
Odious Numbers
1,180th
Odious Numbers (Long)
955th
Ordinal Numbers
299th
Pangram Grep
254th
Pascal’s Triangle
519th
Pernicious Numbers
1,386th
Pernicious Numbers (Long)
711th
Prime Numbers
1,381st
Prime Numbers (Long)
1,337th
Quine
1,882nd
Recamán
305th
Roman to Arabic
759th
Smith Numbers
621st
Spelling Numbers
492nd
Vampire Numbers
283rd
Van Eck Sequence
428th
π
2,157th
√2
2,180th
𝑒
2,531st