12 Days of Christmas
508
99 Bottles of Beer
597
Abundant Numbers
765
Abundant Numbers (Long)
870
Arabic to Roman
566
Arithmetic Numbers
716
Arrows
241
Ascending Primes
128
ASCII Table
306
Catalan Numbers
657
Collatz
791
CSS Colors
181
Day of Week
708
Divisors
891
Emirp Numbers
613
Emirp Numbers (Long)
679
Emojify
303
Evil Numbers
784
Evil Numbers (Long)
759
Farey Sequence
371
Fibonacci
800
Fizz Buzz
935
Foo Fizz Buzz Bar
912
Fractions
656
Happy Numbers
496
Happy Numbers (Long)
490
Leap Years
652
Look and Say
481
Morse Decoder
108
Morse Encoder
206
Niven Numbers
733
Niven Numbers (Long)
806
Number Spiral
256
Odious Numbers
800
Odious Numbers (Long)
804
Pangram Grep
828
Pascalβs Triangle
69
143
Pernicious Numbers
465
Pernicious Numbers (Long)
591
Prime Numbers
656
Prime Numbers (Long)
688
Quine
969
Roman to Arabic
554
Smith Numbers
675
Tongue-twisters
622
United States
124
Ο
53
94
102
130
130
107
106
123
84
66
90
100
63
69
55
148
149
33
66
140
164
59
31
66
48
110
147
182
192
25
104
52
54
64
116
47
42
154
664
223
147
85
281
117
145
162
164π
44
66
69
113
98
88
95
104
60
58
81
87
49
59
41
105
133
24
54
96
145
49
31
41
51
89
116
128
145
26
69
40
49
47
76
32
39
122
664
177
109
67
250
97
112
90
136