Arrows
41st
ASCII Table
82nd
Christmas Trees
40th
Collatz
109th
CSS Colors
60th
Divisors
193rd
Emirp Numbers
88th
Emojify
31st
Evil Numbers
130th
Evil Numbers (Long)
66th
Fibonacci
360th
Fizz Buzz
397th
Foo Fizz Buzz Bar
48th
Fractions
140th
Happy Numbers
98th
Happy Numbers (Long)
63rd
Morse Decoder
34th
Morse Encoder
44th
Niven Numbers
179th
Niven Numbers (Long)
81st
Number Spiral
43rd
Odious Numbers
125th
Odious Numbers (Long)
69th
Ordinal Numbers
90th