12 Days of Christmas
435
590
24 Game
463
524
99 Bottles of Beer
703
Abundant Numbers
772
631
Abundant Numbers (Long)
844
693
Alphabetic Numbers
701
Arabic to Roman
672
Arithmetic Numbers
807
Arrows
224
721
366
394
282
Ascending Primes
592
ASCII Table
672
Billiards
587
Calendar
647
Card Number Validation
438
540
Catalan Numbers
799
Catalan’s Constant
424
Chess Move Validation
633
Christmas Trees
556
681
Collatz
557
44752971910640877720678694420471817570684688509
671666454579575705474659
789382662929685
569445739802683
702540612688592655722386
557750511
829
589664394575
Connect Four
357
525
257
440
Continued Fractions
818
CSS Colors
91
171105
132
137
Cubes
656
Day of Week
856
DFA Simulator
531172
Diamonds
380
673
523
263
Divisors
857
Emirp Numbers
367390
542
Emirp Numbers (Long)
653
835
Emojify
470
Evil Numbers
545528
769
401
Evil Numbers (Long)
773
Factorial Factorisation
368
785
Farey Sequence
678
Fibonacci
795
928
709
661
Fizz Buzz
973
536
Foo Fizz Buzz Bar
941
Forsyth–Edwards Notation
636
Fractions
795
Game of Life
207
601
Gijswijt’s Sequence
46
Gray Code Decoder
727
Gray Code Encoder
837
Happy Numbers
500502
595
587
Happy Numbers (Long)
828
Hexdump
633
Hilbert Curve
248
Intersection
745
Inventory Sequence
646
ISBN
357
370
474
759
525
Jacobi Symbol
720
Kaprekar Numbers
667
Kolakoski Constant
577
Kolakoski Sequence
593
Leap Years
820
Levenshtein Distance
683
514191
618
Leyland Numbers
776
ln 2
578
Look and Say
616
235
Lucky Numbers
512
544
Lucky Tickets
653
Mahjong
129
450
Mandelbrot
654
Medal Tally
575
Minesweeper
325269
41
588
Morse Decoder
499
Morse Encoder
580
Multitap Input
640
Musical Chords
149
146
134
418
N Queens
107
Nim
563
Niven Numbers
908
826
Niven Numbers (Long)
650
742
576
Number Spiral
486
246
Odious Numbers
802
Odious Numbers (Long)
804
Ordinal Numbers
754
PalindromemordnilaP
616
Pangram Grep
437
490360
338
200
701
315
421
585419
Partition Numbers
724
Pascal’s Triangle
775
725
Pernicious Numbers
518488
732
Pernicious Numbers (Long)
836
Poker
601
612
Polyominoes
275
Prime Numbers
823
484
Prime Numbers (Long)
386
858
515
Quine
673
945
Recamán
710
Repeating Decimals
566
Reverse Polish Notation
712
Rijndael S-box
167100
178
Rock-paper-scissors-Spock-lizard
434585
Roman to Arabic
250
307
432
368
ROT13
629
238
Rule 110
494
Scrambled Sort
292
229
588
266
Set
484
611
Seven Segment
570
SI Units
436
Sierpiński Triangle
652
Smith Numbers
730
Spelling Numbers
476
Star Wars GPT
373
669
Sudoku
641
Sudoku (Fill-in)
361
Taxicab Numbers
571
Ten-pin Bowling
459
139
Tic-tac-toe
664
Time Distance
741
Tongue-twisters
463
Tower of Hanoi
517783
244
572357556
582
605312
540
467
Transpose Sentence
586
310
Trinomial Triangle
592
Ulam Sequence
595
United States
705
243
Vampire Numbers
431
607
Van Eck Sequence
645
Zeckendorf Representation
664
Zodiac Signs
299
607
351
469
γ
171
λ
307
319
367
281
π
552
257
τ
568
φ
851
√2
929
𝑒
741
65