12 Days of Christmas
505
99 Bottles of Beer
593
Abundant Numbers
738
Abundant Numbers (Long)
876
Arabic to Roman
549
Arithmetic Numbers
694
Arrows
234
Ascending Primes
123
ASCII Table
302
Catalan Numbers
638
Collatz
773
CSS Colors
172
Day of Week
678
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
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)
787
Number Spiral
247
Odious Numbers
783
Odious Numbers (Long)
780
Pangram Grep
805
Pascal’s Triangle
67
125
Pernicious Numbers
454
Pernicious Numbers (Long)
573
Prime Numbers
643
Prime Numbers (Long)
668
Quine
946
Roman to Arabic
536
Smith Numbers
650
Tongue-twisters
618
United States
129
π
50859611810598100113674662839159654813313832621251525830
1021341631732588505163106454014259320313578252107132145148
𝑒
41596198828187955638557479465538941202451861294830
83106115129256138464672313710759016097621978310182123