12 Days of Christmas
679
412
99 Bottles of Beer
400
Abundant Numbers
715640
505
Abundant Numbers (Long)
774671
733
Arabic to Roman
400
Arithmetic Numbers
636
Arrows
363399
307
Ascending Primes
159
ASCII Table
399
Card Number Validation
406
Catalan Numbers
710
Catalan’s Constant
205
Christmas Trees
652
628
Collatz
663
CSS Colors
82
Cubes
338
Day of Week
558
723
Diamonds
463
Divisors
643
Emirp Numbers
444
Emirp Numbers (Long)
470
Emojify
426422
371
Evil Numbers
800
Evil Numbers (Long)
788
Factorial Factorisation
138
Farey Sequence
460
Fibonacci
817
857
Fizz Buzz
503825700
697
Foo Fizz Buzz Bar
864506
537
Forsyth–Edwards Notation
564
Fractions
453
Game of Life
249
Gijswijt’s Sequence
512
Happy Numbers
696
Happy Numbers (Long)
394
Hexdump
574
Intersection
776
Inventory Sequence
638
ISBN
583
490
Kolakoski Sequence
450
490
Leap Years
782
Leyland Numbers
559
Look and Say
417
414
Morse Decoder
166
Morse Encoder
217
Niven Numbers
603
Niven Numbers (Long)
676
Number Spiral
369
Odious Numbers
769
Odious Numbers (Long)
476
759
Ordinal Numbers
407
595
Pangram Grep
437
622
Pascal’s Triangle
794
Pernicious Numbers
678
Pernicious Numbers (Long)
586
Prime Numbers
690
Prime Numbers (Long)
641
735
370638
Quine
969
Recamán
618
Reverse Polish Notation
627
Rock-paper-scissors-Spock-lizard
322
Roman to Arabic
347
Set
337
Seven Segment
380
Sierpiński Triangle
188
Sudoku
277
Time Distance
329
Tongue-twisters
356
United States
106
Van Eck Sequence
576
Zeckendorf Representation
516
γ
64
π
408
τ
57
φ
627
√2
620
𝑒
686