12 Days of Christmas
775
914
24 Game
709
807
99 Bottles of Beer
736
Abundant Numbers
817
671
Abundant Numbers (Long)
914
792
Alphabetic Numbers
794
Arabic to Roman
732
Arithmetic Numbers
882
Arrows
325
614
360
372
290
Ascending Primes
653
ASCII Table
721
Billiards
673
Calendar
728
Card Number Validation
479
602
Catalan Numbers
881
Catalan’s Constant
465
Christmas Trees
594
731
Collatz
411
48558778912677932761582798478545930622791753642
750743507648657776
729
789410731967711
600470818869755
796583656734664741793461
628800572
907
667737500632
Connect Four
425
578
375
565
Continued Fractions
942
CSS Colors
188
352236
258
273
Cubes
742
Day of Week
930
Diamonds
406
642
577
312
Divisors
898
Emirp Numbers
583578
727
Emirp Numbers (Long)
722
827
Emojify
435
Evil Numbers
587562
831
432
Evil Numbers (Long)
849
Factorial Factorisation
395
855
Farey Sequence
741
Fibonacci
841
966
708
Fizz Buzz
1,000
Foo Fizz Buzz Bar
992
Fractions
865
Game of Life
307
652
Gray Code Decoder
830
Gray Code Encoder
945
Happy Numbers
729684
761
802
Happy Numbers (Long)
919
Hexdump
700
Hilbert Curve
41
Intersection
828
Inventory Sequence
717
ISBN
392
417
524
841
609
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
556
608
Lucky Tickets
742
Mahjong
140
571
Mandelbrot
720
Medal Tally
625
Minesweeper
368318
46
676
Morse Decoder
593
Morse Encoder
653
Multitap Input
727
Musical Chords
156
160
147
470
Niven Numbers
970
Niven Numbers (Long)
707
849
Number Spiral
345
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
Prime Numbers (Long)
441
922
Quine
1,000
969
Recamán
775
Repeating Decimals
633
Reverse Polish Notation
809
Rijndael S-box
176123
192
Rock-paper-scissors-Spock-lizard
467607
Roman to Arabic
279
354
463
407
ROT13
701
256
Rule 110
529
Scrambled Sort
329
264
724
337
Set
540
701
Seven Segment
676
Sierpiński Triangle
708
Smith Numbers
819
Spelling Numbers
646
Star Wars GPT
437
786
Sudoku
609
Sudoku (Fill-in)
341
Taxicab Numbers
648
Ten-pin Bowling
507
162
Tic-tac-toe
747
Time Distance
830
Tongue-twisters
761
Tower of Hanoi
571856
269
621367595
633
653333
571
520
Transpose Sentence
657
366
Trinomial Triangle
671
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
620
383
π
589
281
τ
618
φ
927
√2
1,000
𝑒
806
71