12 Days of Christmas
653
99 Bottles of Beer
380
Abundant Numbers
709
712
Abundant Numbers (Long)
778
Arabic to Roman
430
Arithmetic Numbers
673
ASCII Table
541
brainfuck
Catalan Numbers
691
Catalan’s Constant
499
Christmas Trees
584
666
Collatz
755
Day of Week
630
Diamonds
578
Divisors
872
934
Emirp Numbers
886
Emirp Numbers (Long)
557
Evil Numbers
786
Evil Numbers (Long)
741
Factorial Factorisation
459
Fibonacci
935
796
Fizz Buzz
862
759
Foo Fizz Buzz Bar
619
Fractions
430
Happy Numbers
169439415461293757581369350451354103316433292347158306404276812270260494623279358
Happy Numbers (Long)
482
Intersection
555
Leap Years
815
785
Leyland Numbers
695
ln 2
753
Look and Say
519
Morse Decoder
Niven Numbers
758
Niven Numbers (Long)
668
Odious Numbers
784
Odious Numbers (Long)
767
Ordinal Numbers
630
Pangram Grep
668
Pascal’s Triangle
659
Pernicious Numbers
652
Prime Numbers
292
785
Prime Numbers (Long)
752
Quine
944
243
Recamán
648
Rule 110
386
Seven Segment
414
Sierpiński Triangle
424
Tongue-twisters
417
United States
320
Vampire Numbers
547
Van Eck Sequence
470
λ
466
π
526
τ
513
φ
829
√2
871
𝑒
744