12 Days of Christmas
458
24 Game
40
99 Bottles of Beer
438
Abundant Numbers
781
662
Abundant Numbers (Long)
863
733
Arabic to Roman
564
Arithmetic Numbers
833
806
798
ASCII Table
364
Catalan’s Constant
134
255
Collatz
719
CSS Colors
311
Diamonds
72
Divisors
833
Emojify
330
Evil Numbers
676
Evil Numbers (Long)
658
Factorial Factorisation
103
256
141
192
Fibonacci
918
Fizz Buzz
960
952
679
558
485
758
Foo Fizz Buzz Bar
880
Happy Numbers
447
Leap Years
844
ln 2
105
51
219
Morse Encoder
245
Niven Numbers
778
Niven Numbers (Long)
808
Odious Numbers
694
Odious Numbers (Long)
689
Pernicious Numbers
456
Pernicious Numbers (Long)
528
Prime Numbers
761
Prime Numbers (Long)
794
Sudoku
512
Tongue-twisters
378
United States
182
γ
94
π
35
568
66
169
223
281
τ
106
φ
103
108
95
111
56
77
51
188
278