12 Days of Christmas
866
99 Bottles of Beer
665
Abundant Numbers
738
744
Abundant Numbers (Long)
876
Arabic to Roman
590
Arithmetic Numbers
788
ASCII Table
686
brainfuck
Catalan Numbers
690
Catalan’s Constant
606
Christmas Trees
670
669
Collatz
899
Day of Week
783
Diamonds
691
Divisors
919
933
Emirp Numbers
765
Emirp Numbers (Long)
668
Evil Numbers
785
Evil Numbers (Long)
739
Factorial Factorisation
575
Fibonacci
934
795
Fizz Buzz
945
761
Foo Fizz Buzz Bar
779
Fractions
505
Happy Numbers
226441415625398772643531423539416111560526402459212388558415893327417637724456482476
Happy Numbers (Long)
568
Intersection
755
Leap Years
815
840
Leyland Numbers
815
ln 2
766
Look and Say
636
Morse Decoder
Niven Numbers
759
Niven Numbers (Long)
669
Odious Numbers
783
Odious Numbers (Long)
766
Ordinal Numbers
773
Pangram Grep
787
Pascal’s Triangle
711
Pernicious Numbers
651
Prime Numbers
292
784
Prime Numbers (Long)
679
Quine
946
243
Recamán
718
Rule 110
417
Seven Segment
567
Sierpiński Triangle
455
Tongue-twisters
750
United States
220
Vampire Numbers
739
Van Eck Sequence
495
λ
230
π
588
τ
573
φ
846
√2
874
𝑒
745