12 Days of Christmas
831
864
99 Bottles of Beer
692
Abundant Numbers
455618
515
Abundant Numbers (Long)
499638
801
Arabic to Roman
548
Arithmetic Numbers
704
Arrows
247319
325
Ascending Primes
174
ASCII Table
491
Card Number Validation
481
Catalan Numbers
688
Catalan’s Constant
87
Christmas Trees
434
705
Collatz
715
CSS Colors
179
Cubes
457
Day of Week
388
870
Diamonds
538
Divisors
664
Emirp Numbers
528
Emirp Numbers (Long)
539
Emojify
314414
377
Evil Numbers
784
Evil Numbers (Long)
767
Factorial Factorisation
167
Farey Sequence
461
Fibonacci
476
844
Fizz Buzz
477562690
755
Foo Fizz Buzz Bar
647492
662
Forsyth–Edwards Notation
652
Fractions
517
Game of Life
307
Gijswijt’s Sequence
594
Happy Numbers
875
Happy Numbers (Long)
448
Hexdump
459
Intersection
605
Inventory Sequence
647
ISBN
552
605
Kolakoski Sequence
426
482
Leap Years
769
Leyland Numbers
635
Look and Say
397
494
Morse Decoder
234
Morse Encoder
306
Niven Numbers
588
Niven Numbers (Long)
653
Number Spiral
437
Odious Numbers
751
Odious Numbers (Long)
451
735
Ordinal Numbers
392
700
Pangram Grep
417
711
Pascal’s Triangle
833
Pernicious Numbers
660
Pernicious Numbers (Long)
576
Prime Numbers
676
Prime Numbers (Long)
606
450
344619
Quine
945
Recamán
665
Reverse Polish Notation
583
Rock-paper-scissors-Spock-lizard
500
Roman to Arabic
444
Set
428
Seven Segment
497
Sierpiński Triangle
191
Sudoku
439
Time Distance
561
Tongue-twisters
635
United States
140
Van Eck Sequence
586
Zeckendorf Representation
677
γ
74
π
447
τ
62
φ
619
√2
603
𝑒
665