12 Days of Christmas
302nd
Arabic to Roman
178th
Divisors
444th
Emirp Numbers
141st
Evil Numbers
408th
Fibonacci
161st523rd750th113th202nd82nd105th214th1,934th111th248th
Fizz Buzz
1,258th
Happy Numbers
177th
Leap Years
140th
109th
Morse Decoder
83rd
Morse Encoder
82nd
Niven Numbers
321st
Odious Numbers
320th
Pernicious Numbers
192nd
Prime Numbers
425th
Roman to Arabic
109th
Seven Segment
88th