12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arithmetic Numbers
Christmas Trees
Collatz
Diamonds
Divisors
4th
1st
31st
2nd
Emirp Numbers
Emirp Numbers (Long)
Evil Numbers
Evil Numbers (Long)
Fibonacci
8th
2nd
Fizz Buzz
71st
1st
Foo Fizz Buzz Bar
Gijswijt’s Sequence
Inventory Sequence
2nd
7th
Kolakoski Sequence
Leap Years
Look and Say
Lucky Numbers
Niven Numbers
7th
16th
Odious Numbers
Odious Numbers (Long)
Ordinal Numbers
Prime Numbers
10th
13th
Prime Numbers (Long)
Recamán
Van Eck Sequence