12 Days of Christmas
381
99 Bottles of Beer
400
Abundant Numbers
676
Abundant Numbers (Long)
741
Arithmetic Numbers
698
Ascending Primes
362
ASCII Table
467
Card Number Validation
490
Catalan’s Constant
59
Collatz
733
CSS Colors
75
Day of Week
698
Diamonds
392
Divisors
558
811
Emirp Numbers
441
Emirp Numbers (Long)
495
Emojify
205
Evil Numbers
343
784
Evil Numbers (Long)
767
Farey Sequence
409
Fibonacci
521
Fizz Buzz
937875
Foo Fizz Buzz Bar
474
854774
Fractions
580
Happy Numbers
488
Kaprekar Numbers
249
Kolakoski Constant
57
Kolakoski Sequence
49
Leap Years
692
Leyland Numbers
521
Niven Numbers
795
Number Spiral
312254197182
Odious Numbers
781
Odious Numbers (Long)
778
Ordinal Numbers
520
Partition Numbers
399273
Pascal’s Triangle
61
Prime Numbers
577
Prime Numbers (Long)
610
Quine
945
ROT13
483
Smith Numbers
40
Spelling Numbers
225
Tongue-twisters
356
Transpose Sentence
474
United States
205
λ
97
π
232
𝑒
46