12 Days of Christmas
242nd
Collatz
265th
Divisors
1,825th
Evil Numbers
3,411th
Fibonacci
4,067th
Fizz Buzz
22nd
Foo Fizz Buzz Bar
541st
Happy Numbers
1,055th
Happy Numbers (Long)
688th
Kolakoski Sequence
1,042nd
Leap Years
260th
Leyland Numbers
741st
Look and Say
254th
Niven Numbers
645th
Pascal’s Triangle
1,121st
Pernicious Numbers
2,339th
Prime Numbers
705th
Quine
2,119th
Recamán
728th
Tongue-twisters
803rd