Abundant Numbers
981st
Abundant Numbers (Long)
174th
Collatz
400th
CSS Colors
642nd
Divisors
26th
Emirp Numbers
685th
Evil Numbers
188th
Evil Numbers (Long)
98th
Fibonacci
42nd
Fizz Buzz
731st
Happy Numbers
520th
Kolakoski Sequence
505th
Leap Years
376th
ln 2
215th
Look and Say
569th
Lucky Numbers
248th
Niven Numbers
250th
Niven Numbers (Long)
674th
Odious Numbers
161st
Odious Numbers (Long)
139th
Ordinal Numbers
310th
Pangram Grep
183rd
Pascal’s Triangle
211th
Pernicious Numbers
1,035th
Prime Numbers
362nd
Quine
160th
Recamán
404th
Rock-paper-scissors-Spock-lizard
327th
Roman to Arabic
587th
Sierpiński Triangle
283rd
Tic-tac-toe
296th
π
869th
τ
710th
√2
36th
𝑒
58th