Emirp Numbers
491
Emirp Numbers (Long)
556
Evil Numbers
872
Evil Numbers (Long)
849
Fibonacci
934
Happy Numbers
448
Happy Numbers (Long)
559
Inventory Sequence
734
ISBN
551
Leap Years
706
Leyland Numbers
592
Niven Numbers
863
Niven Numbers (Long)
738
Odious Numbers
833
Odious Numbers (Long)
813
Pangram Grep
690
Prime Numbers
503
Prime Numbers (Long)
549
RecamΓ‘n
747
Spelling Numbers
229