12 Days of Christmas
681
99 Bottles of Beer
311
Abundant Numbers
579
Abundant Numbers (Long)
598
Arrows
181
ASCII Table
409
Catalan Numbers
13
Catalan’s Constant
63
Christmas Trees
478
Collatz
578
CSS Colors
188
Diamonds
64
Divisors
579
Emojify
355
Evil Numbers
373
Evil Numbers (Long)
380
Fibonacci
354
Fizz Buzz
348576
Foo Fizz Buzz Bar
570
Happy Numbers
526
Kolakoski Constant
6767510
Kolakoski Sequence
23
Leap Years
337
Morse Encoder
115
Niven Numbers
371
Niven Numbers (Long)
426
Number Spiral
263
Odious Numbers
451
Odious Numbers (Long)
397
Pangram Grep
231
Pernicious Numbers
209
Pernicious Numbers (Long)
242
Prime Numbers
453
Prime Numbers (Long)
219
Recamán
371569
Rule 110
4
Seven Segment
218
Sierpiński Triangle
84
Spelling Numbers
222
Tongue-twisters
511
United States
122
γ
70
λ
156
π
213190
τ
217190
φ
47
√2
49
𝑒
47