12 Days of Christmas
715
914
24 Game
709
807
99 Bottles of Beer
736
Abundant Numbers
817
671
Abundant Numbers (Long)
914
805
Alphabetic Numbers
794
Arabic to Roman
722
Arithmetic Numbers
882
Arrows
316
614
360
372
290
Ascending Primes
653
ASCII Table
721
Billiards
670
Calendar
728
Card Number Validation
479
602
Catalan Numbers
881
Catalan’s Constant
465
Chess Move Validation
731
Christmas Trees
594
731
Collatz
636411
48558778912677932761803798478545910622764753642
750743507648657776578729
789410731989711
600470818869755
789583656734664741793461
628800572
907
667737500632
Connect Four
395
583
372
565
Continued Fractions
942
CSS Colors
187
254230
258
273
Cubes
721
Day of Week
930
DFA Simulator
600212
Diamonds
406
731
577
312
Divisors
908
Emirp Numbers
583578
806
Emirp Numbers (Long)
722
927
Emojify
435
Evil Numbers
587562
831
432
Evil Numbers (Long)
849
Factorial Factorisation
395
855
Farey Sequence
741
Fibonacci
829
966
720
708
Fizz Buzz
1,000
592
Foo Fizz Buzz Bar
992
Forsyth–Edwards Notation
636
Fractions
865
Game of Life
299
670
Gijswijt’s Sequence
52
Gray Code Decoder
830
Gray Code Encoder
945
Happy Numbers
729684
761
802
Happy Numbers (Long)
919
Hexdump
700
Hilbert Curve
254
Intersection
828
Inventory Sequence
717
ISBN
392
410
524
841
576
Jacobi Symbol
798
Kaprekar Numbers
741
Kolakoski Constant
636
Kolakoski Sequence
664
Leap Years
849
Levenshtein Distance
765
574289
725
Leyland Numbers
859
ln 2
646
Look and Say
677
254
Lucky Numbers
551
608
Lucky Tickets
742
Mahjong
140
519
Mandelbrot
720
Medal Tally
625
Minesweeper
368318
46
676
Morse Decoder
593
Morse Encoder
684
Multitap Input
742
Musical Chords
156
156
147
470
N Queens
120
Nim
645
Niven Numbers
970
846
Niven Numbers (Long)
707
849
595
Number Spiral
538
272
Odious Numbers
857
Odious Numbers (Long)
873
Ordinal Numbers
818
PalindromemordnilaP
703
Pangram Grep
495
543409
380
218
764
350
448
667473
Partition Numbers
810
Pascal’s Triangle
847
776
Pernicious Numbers
556523
789
Pernicious Numbers (Long)
938
Poker
648
681
Polyominoes
312
Prime Numbers
921
494
Prime Numbers (Long)
441
922
530
Quine
716
969
Recamán
775
Repeating Decimals
633
Reverse Polish Notation
809
Rijndael S-box
176123
194
Rock-paper-scissors-Spock-lizard
467607
Roman to Arabic
279
347
476
407
ROT13
701
256
Rule 110
557
Scrambled Sort
329
257
687
333
Set
540
701
Seven Segment
676
SI Units
508
Sierpiński Triangle
708
Smith Numbers
800
Spelling Numbers
526
Star Wars GPT
420
786
Sudoku
609
Sudoku (Fill-in)
342
Taxicab Numbers
648
Ten-pin Bowling
509
157
Tic-tac-toe
747
Time Distance
830
Tongue-twisters
761
Tower of Hanoi
571856
269
621367595
633
653333
571
520
Transpose Sentence
673
352
Trinomial Triangle
671
Ulam Sequence
689
United States
800
263
Vampire Numbers
478
674
Van Eck Sequence
720
Zeckendorf Representation
749
Zodiac Signs
445
690
489
493
γ
190
λ
407
375
490
383
π
589
281
τ
618
φ
927
√2
1,000
𝑒
806
71