12 Days of Christmas
807
99 Bottles of Beer
697
Abundant Numbers
703
Abundant Numbers (Long)
835
Arithmetic Numbers
810
Ascending Primes
410
ASCII Table
586
Card Number Validation
606
Catalan’s Constant
69
Collatz
810
CSS Colors
171
Day of Week
871
Diamonds
469
Divisors
558
857
Emirp Numbers
536
Emirp Numbers (Long)
572
Emojify
253
Evil Numbers
343
784
Evil Numbers (Long)
767
Farey Sequence
424
Fibonacci
521
Fizz Buzz
936957
Foo Fizz Buzz Bar
478
853969
Fractions
681
Happy Numbers
629
Kaprekar Numbers
290
Kolakoski Constant
66
Kolakoski Sequence
50
Leap Years
693
Leyland Numbers
613
Niven Numbers
795
Number Spiral
313240243166
Odious Numbers
781
Odious Numbers (Long)
779
Ordinal Numbers
637
Partition Numbers
428270
Pascal’s Triangle
66
Prime Numbers
577
Prime Numbers (Long)
611
Quine
946
ROT13
556
Smith Numbers
51
Spelling Numbers
366
Tongue-twisters
626
Transpose Sentence
597
United States
276
λ
146
π
260
𝑒
46