12 Days of Christmas
650
409
99 Bottles of Beer
397
Abundant Numbers
674621
496
Abundant Numbers (Long)
714644
714
Arabic to Roman
390
Arithmetic Numbers
609
Arrows
332378
299
Ascending Primes
153
ASCII Table
391
Card Number Validation
388
Catalan Numbers
690
Catalan’s Constant
202
Christmas Trees
605
617
Collatz
648
CSS Colors
79
Cubes
333
Day of Week
522
694
Diamonds
453
Divisors
633
Emirp Numbers
435
Emirp Numbers (Long)
456
Emojify
395407
364
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
134
Farey Sequence
443
Fibonacci
783
845
Fizz Buzz
480801692
692
Foo Fizz Buzz Bar
815492
528
Forsyth–Edwards Notation
548
Fractions
439
Game of Life
244
Gijswijt’s Sequence
494
Happy Numbers
682
Happy Numbers (Long)
382
Hexdump
512
Intersection
699
Inventory Sequence
614
ISBN
555
475
Kolakoski Sequence
427
482
Leap Years
770
Leyland Numbers
544
Look and Say
401
404
Morse Decoder
163
Morse Encoder
213
Niven Numbers
591
Niven Numbers (Long)
658
Number Spiral
357
Odious Numbers
753
Odious Numbers (Long)
454
737
Ordinal Numbers
392
579
Pangram Grep
420
606
Pascal’s Triangle
774
Pernicious Numbers
662
Pernicious Numbers (Long)
569
Prime Numbers
676
Prime Numbers (Long)
597
678
347620
Quine
946
Recamán
604
Reverse Polish Notation
579
Rock-paper-scissors-Spock-lizard
317
Roman to Arabic
337
Seven Segment
371
Sierpiński Triangle
184
Sudoku
270
Time Distance
322
Tongue-twisters
359
United States
110
Van Eck Sequence
556
Zeckendorf Representation
494
γ
62
π
400
τ
56
φ
608
√2
606
𝑒
668