99 Bottles of Beer
Divisors
Emirp Numbers
Evil Numbers
3,632nd2,833rd
Fibonacci
Fizz Buzz
Happy Numbers
1,294th1,925th
Morse Decoder
Niven Numbers
2,853rd
Odious Numbers
2,673rd2,729th
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
1,714th2,151st
Prime Numbers