12 Days of Christmas
740
99 Bottles of Beer
599
Abundant Numbers
666
Arabic to Roman
469
Arithmetic Numbers
676597
Arrows
216
ASCII Table
429
brainfuck
249
Catalan Numbers
286
Catalan’s Constant
69
Christmas Trees
546
Collatz
662
CSS Colors
171
Cubes
386
Diamonds
346
Divisors
744
Emirp Numbers
430
Emojify
208
Evil Numbers
577
Evil Numbers (Long)
578
Fibonacci
310282453332
529
Fizz Buzz
973
Foo Fizz Buzz Bar
981
Forsyth–Edwards Notation
371
Fractions
536
Happy Numbers
320
Happy Numbers (Long)
366
Hexdump
462
Intersection
666
ISBN
555
Jacobi Symbol
405
Kolakoski Constant
66
Kolakoski Sequence
424
Leap Years
532
642
766716
Levenshtein Distance
286
Leyland Numbers
457
Look and Say
468
Lucky Numbers
419
Lucky Tickets
103
Morse Decoder
103
Morse Encoder
112
Niven Numbers
622
Niven Numbers (Long)
671
Number Spiral
242
Odious Numbers
574
Odious Numbers (Long)
567
Ordinal Numbers
617
Pangram Grep
640
Pascal’s Triangle
318
411
553
Pernicious Numbers
354
Prime Numbers
213
350
496
Prime Numbers (Long)
221
358
411
Quine
607
945
Recamán
580
Roman to Arabic
450
ROT13
316
Seven Segment
391
Spelling Numbers
255
Time Distance
318
Van Eck Sequence
260
φ
694
√2
661
𝑒
695