12 Days of Christmas
268th
99 Bottles of Beer
428th
Abundant Numbers
260th
Christmas Trees
151st
Collatz
188th
Divisors
1st
Emirp Numbers
299th
Evil Numbers
290th
Evil Numbers (Long)
193rd
Fibonacci
166th
Fizz Buzz
524th
Foo Fizz Buzz Bar
250th
Happy Numbers
245th
Leap Years
301st
Niven Numbers
182nd
Odious Numbers
142nd
Pangram Grep
220th
Pascal’s Triangle
367th
Pernicious Numbers
223rd
Prime Numbers
560th
Prime Numbers (Long)
296th
Quine
63rd
π
452nd
√2
484th
𝑒
368th