12 Days of Christmas
505
99 Bottles of Beer
593
Abundant Numbers
738
Abundant Numbers (Long)
876
857
Arabic to Roman
549
Arithmetic Numbers
695
Arrows
234
Ascending Primes
123
ASCII Table
302
Catalan Numbers
639
Collatz
774
CSS Colors
172
Day of Week
679
Divisors
876
Emirp Numbers
600
Emirp Numbers (Long)
656
Emojify
297
Evil Numbers
770
Evil Numbers (Long)
739
Farey Sequence
356
Fibonacci
789
Fizz Buzz
929
634
Foo Fizz Buzz Bar
899
Fractions
552
Happy Numbers
486
Happy Numbers (Long)
475
Leap Years
642
Look and Say
467
Morse Decoder
103
Morse Encoder
201
Niven Numbers
721
Niven Numbers (Long)
788
Number Spiral
247
Odious Numbers
783
Odious Numbers (Long)
781
Pangram Grep
805
786
Pascal’s Triangle
67
125
Pernicious Numbers
455
Pernicious Numbers (Long)
573
Prime Numbers
643
Prime Numbers (Long)
669
Quine
946
Roman to Arabic
536
Smith Numbers
650
Tongue-twisters
618
United States
129
π
50859611910298100113674362839159654813213832621261535830
1021341601732588505163106454014259320313578252107132111148
𝑒
41596198828188955538557479465538951202451871304830
83107115130266138464672313710859116197621988310282123