12 Days of Christmas
127
99 Bottles of Beer
202
Abundant Numbers
165
Arrows
183
ASCII Table
154
Catalan Numbers
117
Christmas Trees
73
Collatz
109
Diamonds
83
Divisors
46
Emirp Numbers
299
Emojify
171
Evil Numbers
166
Fibonacci
72
Fizz Buzz
104
Foo Fizz Buzz Bar
124
Fractions
152
Happy Numbers
319
Happy Numbers (Long)
172
Hexdump
129
Leap Years
99
Leyland Numbers
170
Look and Say
255
Lucky Tickets
136
Niven Numbers
162
Number Spiral
347
Odious Numbers
159
Ordinal Numbers
137
Pangram Grep
102
Pascal’s Triangle
106
Pernicious Numbers
166
Prime Numbers
164
Prime Numbers (Long)
65
Recamán
148
Rule 110
182
Sierpiński Triangle
157
Smith Numbers
406
Tongue-twisters
503
United States
156
Vampire Numbers
317
Van Eck Sequence
312
Zodiac Signs
203
λ
437
π
75
τ
73
φ
111
√2
182
𝑒
206