Abundant Numbers
690
Abundant Numbers (Long)
764
Arithmetic Numbers
674
Arrows
320
Ascending Primes
349
Collatz
663
Diamonds
452
Emirp Numbers
491
Emirp Numbers (Long)
529
Evil Numbers (Long)
586
Farey Sequence
389
Fractions
579
ISBN
597
Kolakoski Sequence
718
Leyland Numbers
620
Look and Say
500
Lucky Tickets
277
Pascal’s Triangle
714
Recamán
705
Rule 110
472
Set
442
Tic-tac-toe
379
𝑒
545