Abundant Numbers
658
Abundant Numbers (Long)
740
Arithmetic Numbers
745
ASCII Table
317
Catalan Numbers
43
Collatz
773
Divisors
747
Emojify
230
Evil Numbers
593
Fibonacci
764
Fizz Buzz
831
Happy Numbers
407
ISBN
502
Leap Years
539676790
Look and Say
745
Niven Numbers
727
Niven Numbers (Long)
443
854
Odious Numbers
627
Odious Numbers (Long)
623
Prime Numbers
629
Quine
485
Rijndael S-box
121
Rock-paper-scissors-Spock-lizard
431
Tongue-twisters
821
Vampire Numbers
110
γ
248
π
107
74
φ
71