Abundant Numbers
50th
Abundant Numbers (Long)
26th
Collatz
119th
CSS Colors
128th
Divisors
1st
Emirp Numbers
97th
Evil Numbers
113th
Evil Numbers (Long)
32nd
Fibonacci
1st
Fizz Buzz
53rd
Happy Numbers
48th
Kolakoski Sequence
114th
Leap Years
12th
ln 2
50th
Look and Say
81st
Lucky Numbers
59th
Niven Numbers
32nd
Niven Numbers (Long)
78th
Odious Numbers
82nd
Odious Numbers (Long)
67th
Ordinal Numbers
62nd
Pangram Grep
32nd
Pascal’s Triangle
70th
Pernicious Numbers
64th
Prime Numbers
68th
Quine
1st
Recamán
64th
Rock-paper-scissors-Spock-lizard
68th
Roman to Arabic
91st
Sierpiński Triangle
33rd
Tic-tac-toe
50th
π
135th
τ
116th
√2
1st
𝑒
1st