Abundant Numbers
34th
Abundant Numbers (Long)
92nd
Arithmetic Numbers
70th
Collatz
170th
CSS Colors
102nd
Divisors
1st
Emirp Numbers
14th
Evil Numbers
1st
Evil Numbers (Long)
38th
Factorial Factorisation
64th
Fibonacci
1st
Fizz Buzz
42nd
Happy Numbers
1st
Kolakoski Sequence
53rd
Leap Years
14th
ln 2
42nd
Look and Say
40th
Lucky Numbers
66th
Niven Numbers
39th
Niven Numbers (Long)
108th
Odious Numbers
1st
Odious Numbers (Long)
81st
Ordinal Numbers
3rd
Pangram Grep
26th
Pascal’s Triangle
43rd
Pernicious Numbers
75th
Prime Numbers
81st
Quine
1st
Recamán
35th
Rock-paper-scissors-Spock-lizard
31st
Roman to Arabic
51st
ROT13
102nd
Sierpiński Triangle
22nd
Tic-tac-toe
72nd
π
108th
τ
99th
√2
1st
𝑒
1st