12 Days of Christmas
656
99 Bottles of Beer
383
Abundant Numbers
721
753
Abundant Numbers (Long)
797
Arabic to Roman
440
Arithmetic Numbers
689
ASCII Table
552
brainfuck
Catalan Numbers
710
Catalan’s Constant
521
Christmas Trees
593
712
Collatz
770
Day of Week
654
Diamonds
589
Divisors
885
987
Emirp Numbers
902
Emirp Numbers (Long)
573
Evil Numbers
800
Evil Numbers (Long)
759
Factorial Factorisation
472
Fibonacci
947
831
Fizz Buzz
869
783
Foo Fizz Buzz Bar
629
Fractions
443
Happy Numbers
176469460482310855636395384479374105514447304370169319425286828278265528684295383413
Happy Numbers (Long)
496
Intersection
572
Leap Years
827
882
Leyland Numbers
713
ln 2
776
Look and Say
531
Morse Decoder
Niven Numbers
772
Niven Numbers (Long)
685
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
647
Pangram Grep
685
Pascal’s Triangle
676
Pernicious Numbers
667
Prime Numbers
309
800
Prime Numbers (Long)
772
Quine
969
379
Recamán
663
Rule 110
393
Seven Segment
424
Sierpiński Triangle
432
Tongue-twisters
425
United States
347
Vampire Numbers
561
Van Eck Sequence
486
λ
477
π
537
τ
527
φ
852
√2
891
𝑒
762