12 Days of Christmas
829
24 Game
54
99 Bottles of Beer
583
Abundant Numbers
849
703
Abundant Numbers (Long)
877
800
Arabic to Roman
574
Arithmetic Numbers
833
817
798
ASCII Table
364
Catalan’s Constant
134
598
Collatz
730
CSS Colors
583
Diamonds
72
Divisors
833
Emojify
322
Evil Numbers
689
Evil Numbers (Long)
671
Factorial Factorisation
103
258
152
192
Fibonacci
939
Fizz Buzz
960
952
679
611
485
758
Foo Fizz Buzz Bar
889
Happy Numbers
610
Leap Years
844
ln 2
109
52
219
Morse Encoder
139
Niven Numbers
778
Niven Numbers (Long)
808
Odious Numbers
708
Odious Numbers (Long)
703
Pernicious Numbers
466
Pernicious Numbers (Long)
538
Prime Numbers
776
Prime Numbers (Long)
765
Sudoku
330
Tongue-twisters
536
United States
223
γ
94
π
37
589
66
174
223
281
τ
109
φ
105
111
96
114
56
78
52
188
278