12 Days of Christmas
447
604
24 Game
463
523
99 Bottles of Beer
703
Abundant Numbers
772
631
Abundant Numbers (Long)
843
693
Alphabetic Numbers
697
Arabic to Roman
684
Arithmetic Numbers
805
Arrows
224
720
365
393
281
Ascending Primes
592
ASCII Table
671
Billiards
588
Calendar
644
Card Number Validation
437
540
Catalan Numbers
799
Catalan’s Constant
425
Christmas Trees
556
681
Collatz
555
44752971810640877720491694420471817570683688508
671665453578573705474658
789382661929685
568445738802683
704539611688592655720386
557749511
828
588663393575
Connect Four
354
521
256
438
Continued Fractions
815
CSS Colors
91
170105
132
137
Cubes
655
Day of Week
856
Diamonds
380
673
523
263
Divisors
857
Emirp Numbers
367390
542
Emirp Numbers (Long)
653
834
Emojify
470
Evil Numbers
545528
769
401
Evil Numbers (Long)
773
Factorial Factorisation
368
785
Farey Sequence
677
Fibonacci
795
928
709
660
Fizz Buzz
973
536
Foo Fizz Buzz Bar
941
Fractions
796
Game of Life
211
601
Gray Code Decoder
727
Gray Code Encoder
838
Happy Numbers
499502
595
587
Happy Numbers (Long)
828
Hexdump
633
Hilbert Curve
87
Intersection
745
Inventory Sequence
646
ISBN
357
370
474
760
542
Jacobi Symbol
720
Kaprekar Numbers
668
Kolakoski Constant
577
Kolakoski Sequence
593
Leap Years
820
Levenshtein Distance
683
514191
618
Leyland Numbers
776
ln 2
577
Look and Say
617
235
Lucky Numbers
516
544
Lucky Tickets
653
Mahjong
128
492
Mandelbrot
656
Medal Tally
577
Minesweeper
324269
41
589
Morse Decoder
500
Morse Encoder
580
Multitap Input
638
Musical Chords
149
145
134
418
Nim
575
Niven Numbers
908
826
Niven Numbers (Long)
650
742
576
Number Spiral
312
246
Odious Numbers
802
Odious Numbers (Long)
804
Ordinal Numbers
754
PalindromemordnilaP
617
Pangram Grep
437
490360
338
200
701
314
421
584419
Partition Numbers
727
Pascal’s Triangle
775
725
Pernicious Numbers
518487
732
Pernicious Numbers (Long)
836
Poker
600
612
Polyominoes
275
Prime Numbers
823
484
Prime Numbers (Long)
386
858
515
Quine
938
945
Recamán
710
Repeating Decimals
566
Reverse Polish Notation
712
Rijndael S-box
167100
176
Rock-paper-scissors-Spock-lizard
433585
Roman to Arabic
250
306
432
367
ROT13
629
238
Rule 110
494
Scrambled Sort
292
229
590
265
Set
484
611
Seven Segment
570
Sierpiński Triangle
653
Smith Numbers
748
Spelling Numbers
476
Star Wars GPT
374
670
Sudoku
641
Sudoku (Fill-in)
360
Taxicab Numbers
571
Ten-pin Bowling
459
140
Tic-tac-toe
666
Time Distance
741
Tongue-twisters
464
Tower of Hanoi
517782
244
571357556
583
605312
539
467
Transpose Sentence
587
310
Trinomial Triangle
592
United States
705
242
Vampire Numbers
431
607
Van Eck Sequence
644
Zeckendorf Representation
661
Zodiac Signs
299
608
351
469
γ
171
λ
307
319
478
281
π
552
257
τ
568
φ
851
√2
929
𝑒
741
65