12 Days of Christmas
128
99 Bottles of Beer
203
Abundant Numbers
160
Arrows
183
ASCII Table
151
Catalan Numbers
114
Christmas Trees
72
Collatz
106
Diamonds
82
Divisors
44
Emirp Numbers
298
Emojify
171
Evil Numbers
164
Fibonacci
70
Fizz Buzz
102
Foo Fizz Buzz Bar
122
Fractions
121
Happy Numbers
314
Happy Numbers (Long)
170
Hexdump
130
Leap Years
98
Leyland Numbers
170
Look and Say
83
Lucky Tickets
135
Niven Numbers
155
Number Spiral
348
Odious Numbers
156
Ordinal Numbers
136
Pangram Grep
100
Pascal’s Triangle
104
Pernicious Numbers
163
Prime Numbers
164
Prime Numbers (Long)
64
Recamán
147
Rule 110
180
Sierpiński Triangle
156
Smith Numbers
187
Tongue-twisters
508
United States
153
Vampire Numbers
321
Van Eck Sequence
249
Zodiac Signs
201
λ
439
π
75
τ
73
φ
109
√2
169
𝑒
159