12 Days of Christmas
861
24 Game
294
99 Bottles of Beer
725
Abundant Numbers
739
Abundant Numbers (Long)
886
Arabic to Roman
384
Arithmetic Numbers
820
Arrows
329
Ascending Primes
293
ASCII Table
468
brainfuck
438
Card Number Validation
535
Catalan Numbers
550
Catalan’s Constant
71
Christmas Trees
697
Collatz
883
CSS Colors
412
Cubes
538
Day of Week
541
Diamonds
360
Divisors
838
Emirp Numbers
553
Emirp Numbers (Long)
539
Emojify
303
Evil Numbers
784
Evil Numbers (Long)
774
Factorial Factorisation
279
Farey Sequence
297
Fibonacci
632
Fizz Buzz
699
Foo Fizz Buzz Bar
680
Fractions
629
Gijswijt’s Sequence
388
Happy Numbers
639
Happy Numbers (Long)
567
Hilbert Curve
268
Intersection
684
Inventory Sequence
415
ISBN
758
Jacobi Symbol
611
Kaprekar Numbers
282
Kolakoski Constant
387
Kolakoski Sequence
800
Leap Years
729
Levenshtein Distance
439
Leyland Numbers
839
ln 2
477
Look and Say
548
Lucky Numbers
684
Lucky Tickets
485
Mahjong
329
Mandelbrot
289
Maze
228
Medal Tally
506
Morse Decoder
283
Morse Encoder
453
Musical Chords
291
Niven Numbers
611
Niven Numbers (Long)
676
Number Spiral
376
Odious Numbers
800
Odious Numbers (Long)
788
Ordinal Numbers
583
PalindromemordnilaP
645
Pangram Grep
783
Partition Numbers
367
Pascal’s Triangle
514
Pernicious Numbers
513
Pernicious Numbers (Long)
584
Poker
437
Polyominoes
190
Prime Numbers
541
Prime Numbers (Long)
557
QR Decoder
508
Recamán
685
Repeating Decimals
357
Reverse Polish Notation
460
Rijndael S-box
265
Rock-paper-scissors-Spock-lizard
731
Roman to Arabic
551
ROT13
395
Rule 110
348
Scrambled Sort
874
Seven Segment
536
SI Units
469
Sierpiński Triangle
311
Smith Numbers
623
Spelling Numbers
420
Star Wars Opening Crawl
601
Sudoku
386
Ten-pin Bowling
427
Tic-tac-toe
356
Time Distance
481
Tongue-twisters
660
Transpose Sentence
483
Trinomial Triangle
432
United States
267
Vampire Numbers
267
Van Eck Sequence
778
Zeckendorf Representation
605
Zodiac Signs
319
γ
77
λ
162
π
291
τ
291
φ
663
√2
476
𝑒
390