12 Days of Christmas
505
99 Bottles of Beer
593
Abundant Numbers
738
Abundant Numbers (Long)
875
Arabic to Roman
549
Arithmetic Numbers
694
Arrows
234
Ascending Primes
123
ASCII Table
302
Catalan Numbers
638
Collatz
773
CSS Colors
172
Day of Week
678
Divisors
876
Emirp Numbers
600
Emirp Numbers (Long)
656
Emojify
297
Evil Numbers
769
Evil Numbers (Long)
739
Farey Sequence
356
Fibonacci
789
Fizz Buzz
929
Foo Fizz Buzz Bar
899
Fractions
552
Happy Numbers
485
Happy Numbers (Long)
475
Leap Years
642
Look and Say
467
Morse Decoder
103
Morse Encoder
201
Niven Numbers
721
Niven Numbers (Long)
787
Number Spiral
247
Odious Numbers
783
Odious Numbers (Long)
780
Pangram Grep
805
Pascal’s Triangle
67
125
Pernicious Numbers
454
Pernicious Numbers (Long)
573
Prime Numbers
643
Prime Numbers (Long)
668
Quine
946
Roman to Arabic
536
Smith Numbers
649
Tongue-twisters
618
United States
129
π
50
84
96
118
116
98
100
113
76
62
83
90
59
65
48
133
138
32
62
125
152
58
30
46
102
134
163
172
25
88
50
51
63
105
45
40
142
591
203
135
78
251
107
132
144
148
𝑒
41
59
61
98
82
81
87
95
56
55
74
79
46
55
38
94
120
24
51
86
131
48
30
38
83
106
115
129
25
61
38
46
46
72
31
37
107
589
160
97
62
221
83
101
82
123