12 Days of Christmas
54
412
24 Game
30
99 Bottles of Beer
414
Abundant Numbers
747
649
Abundant Numbers (Long)
812
711
Arabic to Roman
527
Arithmetic Numbers
735755
708
ASCII Table
332
Catalan’s Constant
121
185
227
Collatz
690
CSS Colors
279
Diamonds
64
Divisors
799
Emirp Numbers
186
429
393
Emojify
303
Evil Numbers
635
Evil Numbers (Long)
609
Factorial Factorisation
95
194
125169
Fibonacci
891
Fizz Buzz
938858650
552424
692
Foo Fizz Buzz Bar
819
Happy Numbers
424
Leap Years
799
ln 2
95
48
192
Morse Encoder
204
Niven Numbers
739
Niven Numbers (Long)
741
Odious Numbers
634
Odious Numbers (Long)
622
Pernicious Numbers
432
Pernicious Numbers (Long)
490
Prime Numbers
731
Prime Numbers (Long)
752
Sudoku
465
Tongue-twisters
365
408
United States
170
γ
87
π
33
538
62
117
203255
τ
98
φ
94
98861005267
50
168245