12 Days of Christmas
262
24 Game
30
99 Bottles of Beer
414
Abundant Numbers
747
648
Abundant Numbers (Long)
812
711
Arabic to Roman
527
Arithmetic Numbers
735755
707
ASCII Table
332
Catalan’s Constant
121
185
227
Collatz
690
CSS Colors
279
Diamonds
64
Divisors
799
Emirp Numbers
349
Emojify
303
Evil Numbers
634
Evil Numbers (Long)
609
Factorial Factorisation
95
198
124169
Fibonacci
891
Fizz Buzz
938858650
552431
692
Foo Fizz Buzz Bar
819
Happy Numbers
423
Leap Years
799
ln 2
95
50
192
Morse Encoder
220
Niven Numbers
739
Niven Numbers (Long)
740
Odious Numbers
634
Odious Numbers (Long)
621
Pernicious Numbers
432
Pernicious Numbers (Long)
489
Prime Numbers
731
Prime Numbers (Long)
752
Sudoku
465
Tongue-twisters
366
409
United States
171
γ
87
π
33
538
73
117
203257
τ
98
φ
94
98861005266
50
168246