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
Pascal’s Triangle
Pernicious Numbers
Pernicious Numbers (Long)
Prime Numbers
Prime Numbers (Long)
Quine
Roman to Arabic
Smith Numbers
Tongue-twisters
United States
π
53
92
102
130
130
104
106
123
84
66
90
100
63
69
51
148
149
33
66
140
164
59
31
𝑒
44
64
65
108
90
86
94
103
60
58
81
87
49
59
40
105
131
24
54
96
143
49
31