12 Days of Christmas
932
888
99 Bottles of Beer
694
Abundant Numbers
681624
517
Abundant Numbers (Long)
722647
806
Arabic to Roman
547
Arithmetic Numbers
715
Arrows
306324
329
Ascending Primes
176
ASCII Table
496
Card Number Validation
484
Catalan Numbers
690
Catalan’s Constant
90
Christmas Trees
607
709
Collatz
773
CSS Colors
180
Cubes
478
Day of Week
522
865
Diamonds
543
Divisors
668
Emirp Numbers
537
Emirp Numbers (Long)
548
Emojify
359414
377
Evil Numbers
785
Evil Numbers (Long)
768
Factorial Factorisation
168
Farey Sequence
503
Fibonacci
783
845
Fizz Buzz
483802694
758
Foo Fizz Buzz Bar
820496
665
Forsyth–Edwards Notation
659
Fractions
516
Game of Life
329
Gijswijt’s Sequence
598
Happy Numbers
880
Happy Numbers (Long)
450
Hexdump
520
Intersection
699
Inventory Sequence
650
ISBN
558
607
Kolakoski Sequence
427
482
Leap Years
770
Leyland Numbers
639
Look and Say
401
496
Morse Decoder
236
Morse Encoder
312
Niven Numbers
593
Niven Numbers (Long)
660
Number Spiral
437
Odious Numbers
753
Odious Numbers (Long)
454
737
Ordinal Numbers
395
710
Pangram Grep
420
715
Pascal’s Triangle
835
Pernicious Numbers
662
Pernicious Numbers (Long)
580
Prime Numbers
676
Prime Numbers (Long)
597
684
347620
Quine
946
Recamán
669
Reverse Polish Notation
579
Rock-paper-scissors-Spock-lizard
504
Roman to Arabic
445
Seven Segment
508
Sierpiński Triangle
199
Sudoku
461
Time Distance
579
Tongue-twisters
637
United States
154
Van Eck Sequence
587
Zeckendorf Representation
676
γ
74
π
447
τ
62
φ
622
√2
608
𝑒
670