Abundant Numbers
58th
Abundant Numbers (Long)
34th
Arithmetic Numbers
25th
Collatz
115th
CSS Colors
144th
Divisors
1st
Emirp Numbers
116th
Evil Numbers
1st
Evil Numbers (Long)
41st
Factorial Factorisation
55th
Fibonacci
1st
Fizz Buzz
60th
Happy Numbers
66th
Kolakoski Sequence
78th
Leap Years
17th
ln 2
1st
Look and Say
100th
Lucky Numbers
68th
Niven Numbers
47th
Niven Numbers (Long)
100th
Odious Numbers
1st
Odious Numbers (Long)
85th
Ordinal Numbers
74th
Pangram Grep
45th
Pascal’s Triangle
85th
Pernicious Numbers
77th
Prime Numbers
86th
Quine
1st
Recamán
78th
Rock-paper-scissors-Spock-lizard
76th
Roman to Arabic
110th
ROT13
91st
Sierpiński Triangle
39th
Tic-tac-toe
70th
π
106th
τ
97th
√2
1st
𝑒
1st