12 Days of Christmas
21
398
402
99 Bottles of Beer
446
456
Abundant Numbers
727
845
Abundant Numbers (Long)
806
932
Arabic to Roman
485
489
Arithmetic Numbers
729
729
Arrows
419
423
Ascending Primes
399
415
ASCII Table
420
486
Calendar
398
403
Card Number Validation
481
489
Catalan Numbers
459
512
Catalan’s Constant
59
60
Christmas Trees
646
103
659
150
Collatz
674
593
663
CSS Colors
127
Cubes
498
457
Day of Week
653
667
Diamonds
462
62
471
42
Divisors
714
857
Emirp Numbers
74
473
491
Emirp Numbers (Long)
549
558
Emojify
263
408
Evil Numbers
583
810
756
870
548
Evil Numbers (Long)
814
787
854
Factorial Factorisation
276
110
333
Farey Sequence
432
450
Fibonacci
733682894930219189819586967508528427066761,000938807896600788738898802987
895761
606983943
549
9801,000864621795600654730563947636727943735853439
919938708765727
763550
Fizz Buzz
615
881
898
Foo Fizz Buzz Bar
783
985
Forsyth–Edwards Notation
414
Fractions
602
Game of Life
219
Gijswijt’s Sequence
534
542
Happy Numbers
541
565
Happy Numbers (Long)
698
709
Hilbert Curve
175
173
Intersection
412
416
Inventory Sequence
505
515
ISBN
511
Jacobi Symbol
479
497
Kaprekar Numbers
266
266
Kolakoski Constant
61
246
Kolakoski Sequence
634
622
Leap Years
880582
85113871891938788
750
827
Levenshtein Distance
294
302
Leyland Numbers
709
721
ln 2
671
684
Look and Say
518
522
39
Lucky Numbers
362
369
Mandelbrot
198
201
Medal Tally
331
Minesweeper
412
403
Morse Decoder
180
179
Morse Encoder
210
Multitap Input
293
N Queens
411
416
Niven Numbers
689
710
Niven Numbers (Long)
762
781
Number Spiral
393
263
264
Odious Numbers
819
761
851
Odious Numbers (Long)
835
787
854
Ordinal Numbers
569
PalindromemordnilaP
591
Pangram Grep
667
670
Partition Numbers
628
581
593
Pascal’s Triangle
762
109
794
Pernicious Numbers
621
678
Pernicious Numbers (Long)
640
671
Prime Numbers
361412
495
554473625429532
814671403612462532656525
909
846
Prime Numbers (Long)
581
955
350
978
Quine
396
500
879581
692
477
969
862
381
Recamán
730
733
Repeating Decimals
267
Reverse Polish Notation
359
Rijndael S-box
119
96
245
Rock-paper-scissors-Spock-lizard
140
147
Roman to Arabic
420
ROT13
382
388
Rule 110
341
Scrambled Sort
565
Seven Segment
281
291
SI Units
150
Sierpiński Triangle
234
248
Smith Numbers
346
352
Spelling Numbers
218
243
Tic-tac-toe
362
Time Distance
342
Tongue-twisters
375
380
Tower of Hanoi
245
250
Transpose Sentence
385
Trinomial Triangle
671
696
United States
178
187
Vampire Numbers
377
364
Van Eck Sequence
559
570
Zeckendorf Representation
500
533
Zodiac Signs
255
γ
62
63
λ
141
101177
102
π
921021301046910610512656732573854566911006010472511471111331502748682514011759150306275119147178193257853533928639161421507338022314772281118142123146
τ
257
367
φ
662
703
√2
691
721
𝑒
687
71670