12 Days of Christmas
365
99 Bottles of Beer
225
Abundant Numbers
600
Abundant Numbers (Long)
630
Arrows
207
ASCII Table
364
Catalan Numbers
14
Catalan’s Constant
66
Christmas Trees
496
Collatz
611
CSS Colors
94
Diamonds
68
Divisors
598
Emojify
347
Evil Numbers
385
Evil Numbers (Long)
398
Fibonacci
363
Fizz Buzz
510
583
Foo Fizz Buzz Bar
585
Happy Numbers
451
Kolakoski Constant
71
62
254
Kolakoski Sequence
24
Leap Years
353
Morse Encoder
173
Niven Numbers
385
Niven Numbers (Long)
450
Number Spiral
281
Odious Numbers
468
Odious Numbers (Long)
419
Pangram Grep
243
Pernicious Numbers
218
Pernicious Numbers (Long)
257
Prime Numbers
468
Prime Numbers (Long)
229
Recamán
389
529
Rule 110
7
Seven Segment
206
Sierpiński Triangle
118
Spelling Numbers
148
Tongue-twisters
348
United States
117
γ
74
λ
129
π
220
174
τ
227
175
φ
50
√2
52
𝑒
49