12 Days of Christmas
671
858
24 Game
650
727
99 Bottles of Beer
713
Abundant Numbers
772
657
Abundant Numbers (Long)
854
780
Alphabetic Numbers
710
Arabic to Roman
670
Arithmetic Numbers
807
Arrows
284
566
330
338
262
Ascending Primes
592
ASCII Table
672
Billiards
587
Calendar
649
Card Number Validation
438
540
Catalan Numbers
799
Catalan’s Constant
426
Chess Move Validation
633
Christmas Trees
556
681
Collatz
557377
44752971910650877720726721420507817570692688580
671666454579575712554659
789382662929685
561445739802683
702540612688600724722425
593750511
829
589664449575
Connect Four
357
525
348
491
Continued Fractions
818
CSS Colors
166
229218
233
241
Cubes
668
Day of Week
856
DFA Simulator
531199
Diamonds
380
673
523
296
Divisors
857
Emirp Numbers
542531
748
Emirp Numbers (Long)
659
842
Emojify
408
Evil Numbers
555528
783
401
Evil Numbers (Long)
785
Factorial Factorisation
368
779
Farey Sequence
678
Fibonacci
795
928
709
661
Fizz Buzz
973
586
Foo Fizz Buzz Bar
943
Forsyth–Edwards Notation
574
Fractions
795
Game of Life
275
601
Gijswijt’s Sequence
46
Gray Code Decoder
727
Gray Code Encoder
837
Happy Numbers
680629
713
743
Happy Numbers (Long)
836
Hexdump
634
Hilbert Curve
233
Intersection
745
Inventory Sequence
646
ISBN
357
370
474
766
525
Jacobi Symbol
721
Kaprekar Numbers
667
Kolakoski Constant
576
Kolakoski Sequence
603
Leap Years
811
Levenshtein Distance
683
514258
646
Leyland Numbers
776
ln 2
586
Look and Say
616
235
Lucky Numbers
512
546
Lucky Tickets
653
Mahjong
126
450
Mandelbrot
658
Medal Tally
547
Minesweeper
325269
41
588
Morse Decoder
548
Morse Encoder
632
Multitap Input
637
Musical Chords
145
142
131
417
N Queens
107
Nim
563
Niven Numbers
908
826
Niven Numbers (Long)
658
781
576
Number Spiral
486
246
Odious Numbers
802
Odious Numbers (Long)
804
Ordinal Numbers
755
PalindromemordnilaP
616
Pangram Grep
437
490378
338
200
701
315
421
585419
Partition Numbers
724
Pascal’s Triangle
775
725
Pernicious Numbers
518488
732
Pernicious Numbers (Long)
861
Poker
611
625
Polyominoes
275
Prime Numbers
872
484
Prime Numbers (Long)
396
858
515
Quine
673
945
Recamán
710
Repeating Decimals
567
Reverse Polish Notation
712
Rijndael S-box
167116
178
Rock-paper-scissors-Spock-lizard
437564
Roman to Arabic
260
317
436
370
ROT13
629
238
Rule 110
507
Scrambled Sort
292
229
588
294
Set
484
611
Seven Segment
620
SI Units
473
Sierpiński Triangle
650
Smith Numbers
730
Spelling Numbers
481
Star Wars GPT
373
669
Sudoku
543
Sudoku (Fill-in)
308
Taxicab Numbers
571
Ten-pin Bowling
455
139
Tic-tac-toe
664
Time Distance
766
Tongue-twisters
741
Tower of Hanoi
537783
244
572357556
582
605312
550
467
Transpose Sentence
586
310
Trinomial Triangle
592
Ulam Sequence
600
United States
740
243
Vampire Numbers
431
607
Van Eck Sequence
653
Zeckendorf Representation
664
Zodiac Signs
395
616
468
440
γ
171
λ
387
358
461
357
π
553
257
τ
569
φ
852
√2
929
𝑒
743
67