12 Days of Christmas
874
870
99 Bottles of Beer
694
Abundant Numbers
454618
515
Abundant Numbers (Long)
499638
788
Arabic to Roman
548
Arithmetic Numbers
703
Arrows
247323
326
Ascending Primes
174
ASCII Table
491
Card Number Validation
480
Catalan Numbers
687
Catalan’s Constant
87
Christmas Trees
434
705
Collatz
715
CSS Colors
179
Cubes
461
Day of Week
387
870
Diamonds
538
Divisors
664
Emirp Numbers
528
Emirp Numbers (Long)
546
Emojify
313414
377
Evil Numbers
784
Evil Numbers (Long)
767
Factorial Factorisation
167
Farey Sequence
505
Fibonacci
476
844
Fizz Buzz
478563691
756
Foo Fizz Buzz Bar
648493
663
Forsyth–Edwards Notation
652
Fractions
517
Game of Life
313
Gijswijt’s Sequence
595
Happy Numbers
875
Happy Numbers (Long)
448
Hexdump
465
Intersection
603
Inventory Sequence
647
ISBN
552
605
Kolakoski Sequence
428
483
Leap Years
768
Leyland Numbers
635
Look and Say
397
493
Morse Decoder
235
Morse Encoder
306
Niven Numbers
588
Niven Numbers (Long)
653
Number Spiral
437
Odious Numbers
751
Odious Numbers (Long)
450
735
Ordinal Numbers
393
701
Pangram Grep
416
711
Pascal’s Triangle
833
Pernicious Numbers
660
Pernicious Numbers (Long)
576
Prime Numbers
676
Prime Numbers (Long)
605
449
343619
Quine
945
Recamán
664
Reverse Polish Notation
582
Rock-paper-scissors-Spock-lizard
500
Roman to Arabic
444
Set
447
Seven Segment
497
Sierpiński Triangle
191
Sudoku
462
Time Distance
576
Tongue-twisters
635
United States
140
Van Eck Sequence
586
Zeckendorf Representation
676
γ
75
π
447
τ
62
φ
619
√2
603
𝑒
665