12 Days of Christmas
741
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
387
Diamonds
346
Divisors
744
Emirp Numbers
431
Emojify
208
Evil Numbers
577
Evil Numbers (Long)
578
Fibonacci
310282452332
529
Fizz Buzz
973
Foo Fizz Buzz Bar
982
Forsyth–Edwards Notation
371
Fractions
537
Happy Numbers
320
Happy Numbers (Long)
365
Hexdump
465
Intersection
666
ISBN
555
Jacobi Symbol
409
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
618
Pangram Grep
639
Pascal’s Triangle
318
411
552
Pernicious Numbers
354
Prime Numbers
213
350
496
Prime Numbers (Long)
221
358
411
Quine
606
945
Recamán
580
Roman to Arabic
450
ROT13
316
Seven Segment
391
Spelling Numbers
255
Time Distance
322
Van Eck Sequence
260
φ
694
√2
661
𝑒
695