Abundant Numbers
676
Abundant Numbers (Long)
741
Arithmetic Numbers
653
Arrows
312
Ascending Primes
336
Collatz
648
Diamonds
440
Emirp Numbers
481
Emirp Numbers (Long)
511
Evil Numbers (Long)
570
Farey Sequence
376
Fractions
563
ISBN
577
Kolakoski Sequence
694
Leyland Numbers
599
Look and Say
484
Lucky Tickets
263
Pascal’s Triangle
695
Recamán
684
Rule 110
457
Set
420
Tic-tac-toe
363
𝑒
529