Divisors
400th
Emirp Numbers
201st
Evil Numbers
559th
Fibonacci
160th
Fizz Buzz
691st
Happy Numbers
102nd
Leap Years
439th
Morse Decoder
103rd
Niven Numbers
544th
Odious Numbers
601st
Ordinal Numbers
225th
Pangram Grep
443rd
Pascal’s Triangle
102nd
Pernicious Numbers
356th
Prime Numbers
224th
Quine
60th
Rock-paper-scissors-Spock-lizard
120th
Roman to Arabic
171st
Rule 110
117th
Seven Segment
162nd
Sierpiński Triangle
208th
Spelling Numbers
135th
Sudoku
106th