12 Days of Christmas
655
99 Bottles of Beer
309
Abundant Numbers
579
Abundant Numbers (Long)
599
Arrows
179
ASCII Table
410
Catalan Numbers
14
Catalan’s Constant
62
Christmas Trees
478
Collatz
568
CSS Colors
184
Diamonds
64
Divisors
579
Emojify
352
Evil Numbers
374
Evil Numbers (Long)
379
Fibonacci
354
Fizz Buzz
348575
Foo Fizz Buzz Bar
568
Happy Numbers
526
Kolakoski Constant
6566509
Kolakoski Sequence
23
Leap Years
337
Morse Encoder
106
Niven Numbers
371
Niven Numbers (Long)
426
Number Spiral
248
Odious Numbers
452
Odious Numbers (Long)
397
Pangram Grep
232
Pernicious Numbers
209
Pernicious Numbers (Long)
242
Prime Numbers
454
Prime Numbers (Long)
219
Recamán
372569
Rule 110
4
Seven Segment
206
Sierpiński Triangle
83
Spelling Numbers
221
Tongue-twisters
505
United States
122
γ
69
λ
154
π
213190
τ
217190
φ
47
√2
49
𝑒
47