Abundant Numbers
47th
Abundant Numbers (Long)
26th
Collatz
111th
CSS Colors
126th
Divisors
1st
Emirp Numbers
93rd
Evil Numbers
109th
Evil Numbers (Long)
32nd
Fibonacci
1st
Fizz Buzz
51st
Happy Numbers
46th
Kolakoski Sequence
108th
Leap Years
12th
ln 2
49th
Look and Say
76th
Lucky Numbers
55th
Niven Numbers
31st
Niven Numbers (Long)
71st
Odious Numbers
79th
Odious Numbers (Long)
64th
Ordinal Numbers
61st
Pangram Grep
30th
Pascal’s Triangle
66th
Pernicious Numbers
59th
Prime Numbers
64th
Quine
1st
Recamán
59th
Rock-paper-scissors-Spock-lizard
65th
Roman to Arabic
88th
Sierpiński Triangle
31st
Tic-tac-toe
44th
π
121st
τ
104th
√2
1st
𝑒
1st