12 Days of Christmas
845
99 Bottles of Beer
703
Abundant Numbers
718
Abundant Numbers (Long)
861
Arithmetic Numbers
849
Ascending Primes
433
ASCII Table
600
Card Number Validation
634
Catalan’s Constant
71
Collatz
895
CSS Colors
179
Day of Week
904
Diamonds
482
Divisors
583
891
Emirp Numbers
557
Emirp Numbers (Long)
618
Emojify
269
Evil Numbers
372
800
Evil Numbers (Long)
788
Farey Sequence
482
Fibonacci
529
Fizz Buzz
949967
Foo Fizz Buzz Bar
498
878988
Fractions
702
Happy Numbers
646
Kaprekar Numbers
306
Kolakoski Constant
71
Kolakoski Sequence
51
Leap Years
705
Leyland Numbers
635
Niven Numbers
815
Number Spiral
345271252231
Odious Numbers
800
Odious Numbers (Long)
804
Ordinal Numbers
664
Partition Numbers
451461
Pascal’s Triangle
68
Prime Numbers
588
Prime Numbers (Long)
629
Quine
969
ROT13
581
Smith Numbers
57
Spelling Numbers
410
Tongue-twisters
644
Transpose Sentence
630
United States
294
λ
162
π
266
𝑒
47