12 Days of Christmas
829
24 Game
45
99 Bottles of Beer
560
Abundant Numbers
836
689
Abundant Numbers (Long)
877
813
Arabic to Roman
574
Arithmetic Numbers
821817
798
ASCII Table
361
Catalan’s Constant
134
578
Collatz
730
CSS Colors
583
Diamonds
72
Divisors
833
Emojify
314
Evil Numbers
662
Evil Numbers (Long)
658
Factorial Factorisation
103
256
141191
Fibonacci
939
Fizz Buzz
960881671
611485
734
Foo Fizz Buzz Bar
863
Happy Numbers
610
Leap Years
844
ln 2
105
52
219
Morse Encoder
139
Niven Numbers
778
Niven Numbers (Long)
795
Odious Numbers
681
Odious Numbers (Long)
689
Pernicious Numbers
466
Pernicious Numbers (Long)
538
Prime Numbers
776
Prime Numbers (Long)
809
Sudoku
344
Tongue-twisters
536
United States
200
γ
94
π
37
568
66
160
223281
τ
106
φ
103
110961115678
52
188278