Abundant Numbers
676
Abundant Numbers (Long)
741
Arithmetic Numbers
663
Arrows
311
Ascending Primes
336
Collatz
648
Diamonds
440
Emirp Numbers
480
Emirp Numbers (Long)
503
Evil Numbers (Long)
569
Farey Sequence
351
Fractions
563
ISBN
577
Kolakoski Sequence
692
Leyland Numbers
599
Look and Say
485
Lucky Tickets
264
Pascal’s Triangle
695
Recamán
685
Rule 110
457
Set
409
Tic-tac-toe
363
𝑒
518