12 Days of Christmas
691
704
736
24 Game
24
99 Bottles of Beer
437390375
384
Abundant Numbers
676649778
724
Abundant Numbers (Long)
899674890
802
Alphabetic Numbers
251
Arabic to Roman
366
Arithmetic Numbers
826
Arrows
208214217
264
Ascending Primes
522
ASCII Table
710535467
509
Calendar
975398312
Card Number Validation
334317
278
Catalan Numbers
57
13
473
Catalan’s Constant
155
Christmas Trees
825136
Collatz
920691872
716
Continued Fractions
849505570
CSS Colors
226
Cubes
62
Day of Week
662413
Diamonds
558
Divisors
972706807
Emirp Numbers
432460458
374
Emirp Numbers (Long)
668
Emojify
276
Evil Numbers
519527568
755
Evil Numbers (Long)
525490582
Factorial Factorisation
556439456
Farey Sequence
588
667
Fibonacci
933793944
404
730947
Fizz Buzz
844800860
351
Foo Fizz Buzz Bar
738526686
Forsyth–Edwards Notation
368207
Fractions
593
Gijswijt’s Sequence
98
Gray Code Decoder
600683
Gray Code Encoder
366497
Happy Numbers
511487491
Happy Numbers (Long)
698
Hilbert Curve
315
Intersection
414629545
255
Inventory Sequence
519423
316
ISBN
596
Jacobi Symbol
507463
542
Kaprekar Numbers
171
Kolakoski Constant
155
Kolakoski Sequence
69
Leap Years
652757809
530
768
Leyland Numbers
335
554
ln 2
532514
134
757
Look and Say
211
Lucky Numbers
638536
486
Lucky Tickets
518
Mandelbrot
431
Medal Tally
339
393
Morse Decoder
245
90
Morse Encoder
261
Multitap Input
295224
302
N Queens
1147997
Niven Numbers
848348429
710
Niven Numbers (Long)
739596
603
Number Spiral
473
Odious Numbers
539441482
606
Odious Numbers (Long)
598315346
Ordinal Numbers
520
PalindromemordnilaP
638433
Pangram Grep
569435517
Partition Numbers
654479
Pascal’s Triangle
607663796
Pernicious Numbers
576320355
Pernicious Numbers (Long)
636
Polyominoes
75
Prime Numbers
695650795
314
Prime Numbers (Long)
829679835
Quine
634500541
756
Recamán
592673800
Rijndael S-box
196122
213
Rock-paper-scissors-Spock-lizard
512325
Roman to Arabic
445
ROT13
550
Set
486414442
Seven Segment
311
Sierpiński Triangle
13099116
Smith Numbers
530427550
Sudoku
547203
Sudoku (Fill-in)
299188
221
Taxicab Numbers
851
502
321
Tic-tac-toe
288191267
247
Tongue-twisters
612
Tower of Hanoi
19
Transpose Sentence
383
590
Trinomial Triangle
487383
United States
148
Vampire Numbers
284
228
Van Eck Sequence
526
γ
687850
λ
550
218
π
522563210
256
τ
402415290
φ
567538594
663
√2
538549565
636
𝑒
649571608
578