12 Days of Christmas
287th
99 Bottles of Beer
452nd
Abundant Numbers
277th
Christmas Trees
170th
Collatz
204th
Divisors
1st
Emirp Numbers
316th
Evil Numbers
320th
Evil Numbers (Long)
215th
Fibonacci
189th
Fizz Buzz
545th
Foo Fizz Buzz Bar
268th
Happy Numbers
261st
Leap Years
320th
Niven Numbers
200th
Odious Numbers
156th
Pangram Grep
238th
Pascal’s Triangle
390th
Pernicious Numbers
247th
Prime Numbers
592nd
Prime Numbers (Long)
322nd
Quine
74th
π
478th
√2
516th
𝑒
395th