12 Days of Christmas
99 Bottles of Beer
Abundant Numbers
Abundant Numbers (Long)
Arabic to Roman
Arithmetic Numbers
Arrows
Ascending Primes
ASCII Table
Catalan Numbers
Collatz
CSS Colors
Day of Week
Divisors
Emirp Numbers
Emirp Numbers (Long)
Emojify
Evil Numbers
Evil Numbers (Long)
Farey Sequence
Fibonacci
Fizz Buzz
Foo Fizz Buzz Bar
Fractions
Happy Numbers
Happy Numbers (Long)
Leap Years
Look and Say
Morse Decoder
Morse Encoder
Niven Numbers
Niven Numbers (Long)
Number Spiral
Odious Numbers
Odious Numbers (Long)
Pangram Grep
Pascalβs Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Roman to Arabic
Smith Numbers
Tongue-twisters
United States
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