99 Bottles of Beer
593rd
Abundant Numbers
240th
Christmas Trees
621st
Collatz
619th
Divisors
368th
Evil Numbers
448th
Evil Numbers (Long)
269th
Fibonacci
159th
Fizz Buzz
831st
Foo Fizz Buzz Bar
303rd
Happy Numbers
359th
Leap Years
425th
Look and Say
243rd
Niven Numbers
279th
Odious Numbers
471st
Odious Numbers (Long)
285th
Ordinal Numbers
295th
Pangram Grep
160th
Pernicious Numbers
234th
Prime Numbers
223rd
Quine
58th
π
131st