12 Days of Christmas
389
99 Bottles of Beer
403
Abundant Numbers
690
Abundant Numbers (Long)
764
Arithmetic Numbers
721
Ascending Primes
376
ASCII Table
476
Card Number Validation
511
Catalan’s Constant
60
Collatz
750
CSS Colors
78
Day of Week
723
Diamonds
403
Divisors
583
844
Emirp Numbers
451
Emirp Numbers (Long)
512
Emojify
218
Evil Numbers
365
800
Evil Numbers (Long)
788
Farey Sequence
423
Fibonacci
529
Fizz Buzz
949883
Foo Fizz Buzz Bar
498
878786
Fractions
596
Happy Numbers
500
Kaprekar Numbers
276
Kolakoski Constant
59
Kolakoski Sequence
50
Leap Years
705
Leyland Numbers
539
Niven Numbers
815
Number Spiral
345271205231
Odious Numbers
800
Odious Numbers (Long)
804
Ordinal Numbers
541
Partition Numbers
418447
Pascal’s Triangle
63
Prime Numbers
588
Prime Numbers (Long)
629
Quine
969
ROT13
504
Smith Numbers
41
Spelling Numbers
240
Tongue-twisters
358
Transpose Sentence
500
United States
209
λ
102
π
238
𝑒
47