Abundant Numbers
657
Abundant Numbers (Long)
740
Arithmetic Numbers
745
ASCII Table
317
Catalan Numbers
43
Collatz
772
Divisors
747
Emojify
230
Evil Numbers
592
Fibonacci
764
Fizz Buzz
831
Happy Numbers
407
ISBN
501
Leap Years
539692789
Look and Say
745
Niven Numbers
726
Niven Numbers (Long)
442
853
Odious Numbers
627
Odious Numbers (Long)
623
Prime Numbers
628
Quine
485
Rijndael S-box
173
Rock-paper-scissors-Spock-lizard
431
Tongue-twisters
821
Vampire Numbers
110
γ
248
π
113
74
φ
71