24 Game
345
Abundant Numbers
634
719
Abundant Numbers (Long)
788
Arabic to Roman
492
Arrows
534
ASCII Table
516
brainfuck
630
Card Number Validation
608
Christmas Trees
664
CSS Colors
75
Cubes
475
Diamonds
409
Divisors
532844
Emirp Numbers
761
Emojify
353
Evil Numbers
785
Fibonacci
527986
Fizz Buzz
876
Forsyth–Edwards Notation
580
Gijswijt’s Sequence
503
Happy Numbers
374
ISBN
621
Kaprekar Numbers
605
Kolakoski Constant
539
Kolakoski Sequence
834
Leap Years
864
Mandelbrot
559
Morse Encoder
590
Niven Numbers
938
Odious Numbers
784
Ordinal Numbers
618
Pangram Grep
733
Pascal’s Triangle
650
Pernicious Numbers
798
Prime Numbers
633
Quine
946
Roman to Arabic
521
ROT13
795
Seven Segment
447
Sierpiński Triangle
335
Spelling Numbers
217
Zeckendorf Representation
648
λ
233
π
444
φ
581
√2
977
𝑒
689