12 Days of Christmas
430
410
341
24 Game
17
99 Bottles of Beer
327301321
220
Abundant Numbers
562606700
724
Abundant Numbers (Long)
899663879
792
Alphabetic Numbers
251
Arabic to Roman
366
Arithmetic Numbers
826
Arrows
230228226
276
Ascending Primes
522
ASCII Table
710515467
404
Calendar
975398312
Card Number Validation
334308
224
Catalan Numbers
57
13
473
Catalan’s Constant
155
Christmas Trees
825136
Collatz
920681872
648
Continued Fractions
849486570
CSS Colors
122
Cubes
85
Day of Week
662413
Diamonds
558
Divisors
972706807
Emirp Numbers
421365307
307
Emirp Numbers (Long)
668
Emojify
232
Evil Numbers
481527558
755
Evil Numbers (Long)
525480571
Factorial Factorisation
556439456
Farey Sequence
588
586
Fibonacci
933776944
404
730947
Fizz Buzz
844800860
351
Foo Fizz Buzz Bar
738526686
Forsyth–Edwards Notation
391213
Fractions
593
Gijswijt’s Sequence
98
Gray Code Decoder
600673
Gray Code Encoder
366497
Happy Numbers
409357358
Happy Numbers (Long)
698
Hilbert Curve
315
Intersection
414625545
232
Inventory Sequence
519416
298
ISBN
596
Jacobi Symbol
507459
393
Kaprekar Numbers
171
Kolakoski Constant
150
Kolakoski Sequence
69
Leap Years
652757809
530
768
Leyland Numbers
335
554
ln 2
532514
134
743
Look and Say
211
Lucky Numbers
638529
468
Lucky Tickets
518
Mandelbrot
429
Medal Tally
337
376
Morse Decoder
245
119
Morse Encoder
246
Multitap Input
295224
224
N Queens
1147997
Niven Numbers
833348414
710
Niven Numbers (Long)
739596
596
Number Spiral
473
Odious Numbers
539441465
606
Odious Numbers (Long)
598309346
Ordinal Numbers
520
PalindromemordnilaP
638433
Pangram Grep
569347517
Partition Numbers
654473
Pascal’s Triangle
607663796
Pernicious Numbers
576313355
Pernicious Numbers (Long)
636
Polyominoes
52
Prime Numbers
646638679
314
Prime Numbers (Long)
829667823
Quine
606500541
756
Recamán
592663800
Rijndael S-box
193100
146
Rock-paper-scissors-Spock-lizard
449297
Roman to Arabic
445
ROT13
550
Set
486414442
Seven Segment
311
Sierpiński Triangle
176132156
Smith Numbers
530422541
Sudoku
501254
Sudoku (Fill-in)
299188
221
Taxicab Numbers
851
502
255
Tic-tac-toe
288191252
191
Tongue-twisters
540
Tower of Hanoi
19
Transpose Sentence
383
590
Trinomial Triangle
487383
United States
148
Vampire Numbers
284
228
Van Eck Sequence
526
γ
444586
λ
227
186
π
522563207
228
τ
402415284
φ
567524588
650
√2
538549565
636
𝑒
649565601
578