12 Days of Christmas
128
99 Bottles of Beer
202
Abundant Numbers
165
Arrows
185
ASCII Table
155
Catalan Numbers
117
Christmas Trees
74
Collatz
109
Diamonds
83
Divisors
46
Emirp Numbers
300
Emojify
172
Evil Numbers
166
Fibonacci
72
Fizz Buzz
104
Foo Fizz Buzz Bar
124
Fractions
154
Happy Numbers
320
Happy Numbers (Long)
173
Hexdump
130
Leap Years
99
Leyland Numbers
170
Look and Say
257
Lucky Tickets
138
Niven Numbers
163
Number Spiral
349
Odious Numbers
160
Ordinal Numbers
138
Pangram Grep
102
Pascal’s Triangle
107
Pernicious Numbers
166
Prime Numbers
164
Prime Numbers (Long)
65
Recamán
149
Rule 110
183
Sierpiński Triangle
159
Smith Numbers
409
Tongue-twisters
506
United States
156
Vampire Numbers
321
Van Eck Sequence
314
Zodiac Signs
204
λ
440
π
76
τ
74
φ
112
√2
173
𝑒
163