Abundant Numbers
66th
Abundant Numbers (Long)
36th
Arithmetic Numbers
27th
Collatz
124th
CSS Colors
153rd
Divisors
1st
Emirp Numbers
123rd
Evil Numbers
1st
Evil Numbers (Long)
44th
Factorial Factorisation
65th
Fibonacci
1st
Fizz Buzz
73rd
Happy Numbers
76th
Kolakoski Sequence
86th
Leap Years
18th
ln 2
1st
Look and Say
112th
Lucky Numbers
75th
Niven Numbers
54th
Niven Numbers (Long)
108th
Odious Numbers
1st
Odious Numbers (Long)
95th
Ordinal Numbers
84th
Pangram Grep
48th
Pascal’s Triangle
91st
Pernicious Numbers
83rd
Prime Numbers
100th
Quine
1st
Recamán
84th
Rock-paper-scissors-Spock-lizard
85th
Roman to Arabic
116th
ROT13
99th
Sierpiński Triangle
44th
Tic-tac-toe
80th
π
116th
τ
106th
√2
1st
𝑒
1st