Abundant Numbers
649
Abundant Numbers (Long)
727
Arithmetic Numbers
726
ASCII Table
313
Catalan Numbers
43
Collatz
765
Divisors
733
Emojify
225
Evil Numbers
590
Fibonacci
758
Fizz Buzz
826
Happy Numbers
401
ISBN
477
Leap Years
520673767
Look and Say
724
Niven Numbers
713
Niven Numbers (Long)
437
833
Odious Numbers
621
Odious Numbers (Long)
614
Prime Numbers
627
Quine
483
Rijndael S-box
119
Rock-paper-scissors-Spock-lizard
430
Tongue-twisters
818
Vampire Numbers
108
γ
248
π
106
74
φ
71