12 Days of Christmas
374
99 Bottles of Beer
400
Abundant Numbers
676
Abundant Numbers (Long)
741
Arithmetic Numbers
687
Ascending Primes
361
ASCII Table
467
Card Number Validation
490
Catalan’s Constant
59
Collatz
708
CSS Colors
75
Day of Week
698
Diamonds
392
Divisors
558
811
Emirp Numbers
441
Emirp Numbers (Long)
487
Emojify
203
Evil Numbers
343
784
Evil Numbers (Long)
767
Farey Sequence
382
Fibonacci
521
Fizz Buzz
936875
Foo Fizz Buzz Bar
472
851771
Fractions
579
Happy Numbers
488
Kaprekar Numbers
249
Kolakoski Constant
57
Kolakoski Sequence
49
Leap Years
693
Leyland Numbers
521
Niven Numbers
795
Number Spiral
313240198166
Odious Numbers
781
Odious Numbers (Long)
779
Ordinal Numbers
503
Partition Numbers
398270
Pascal’s Triangle
61
Prime Numbers
577
Prime Numbers (Long)
611
Quine
946
ROT13
483
Smith Numbers
40
Spelling Numbers
225
Tongue-twisters
355
Transpose Sentence
474
United States
204
λ
96
π
232
𝑒
45