12 Days of Christmas
531
24 Game
418
99 Bottles of Beer
535
751
Abundant Numbers
745
Abundant Numbers (Long)
802
Arabic to Roman
267
304
Arithmetic Numbers
817
Arrows
198
324
300
301
268
Ascending Primes
370
ASCII Table
634
Billiards
272
brainfuck
451
Card Number Validation
587
Catalan Numbers
395
Catalan’s Constant
164
Christmas Trees
493
Collatz
857
CSS Colors
165
296
Cubes
447
Day of Week
244
DFA Simulator
408
Diamonds
59
366
41
Divisors
777
Emirp Numbers
316
Emirp Numbers (Long)
481
Emojify
173
Evil Numbers
8230516414333217140645346137118130710027337733338628832916376491139339
802617613492461223501725151431053587041038530192115459670623676
429
Evil Numbers (Long)
768
Factorial Factorisation
104
122
Farey Sequence
177
Fibonacci
678
Fizz Buzz
965595
Foo Fizz Buzz Bar
825
Forsyth–Edwards Notation
487
Fractions
599
Game of Life
197
173
Gijswijt’s Sequence
368
Happy Numbers
447
514
323
Happy Numbers (Long)
726
Hexdump
355
Hilbert Curve
88
Intersection
629
Inventory Sequence
456
ISBN
390
666
Jacobi Symbol
563
Kaprekar Numbers
608
Kolakoski Constant
388
Kolakoski Sequence
391
Leap Years
826
Levenshtein Distance
492
192
561159
Leyland Numbers
488
ln 2
515
Look and Say
488
38
Lucky Numbers
19
435
Lucky Tickets
523
Mandelbrot
594
Maze
255
Medal Tally
491
Minesweeper
489
Morse Decoder
402
Morse Encoder
395
Musical Chords
11399
114
N Queens
98
Niven Numbers
904
Niven Numbers (Long)
804
Number Spiral
405
Odious Numbers
796
Odious Numbers (Long)
800
Ordinal Numbers
713
Pangram Grep
327
525
685340
264
379
353
42102196
359
Partition Numbers
111
Pascal’s Triangle
275
102
Pernicious Numbers
421
Pernicious Numbers (Long)
405
Poker
320
Polyominoes
40
Prime Numbers
680
Prime Numbers (Long)
712
Proximity Grid
368
Quine
730
939
891
Recamán
594
Repeating Decimals
360
Reverse Polish Notation
491
Rijndael S-box
172
183
Rock-paper-scissors-Spock-lizard
350
Roman to Arabic
179
185
299
90
ROT13
518
Rule 110
292
Scrambled Sort
384
216
311
78
Seven Segment
346
291
SI Units
507
185
Sierpiński Triangle
161
Smith Numbers
528
Spelling Numbers
454
Ten-pin Bowling
301
Tic-tac-toe
337
Time Distance
661
Tongue-twisters
426
Tower of Hanoi
684
602
573
290519252
543
545
416
575
Transpose Sentence
625
Trinomial Triangle
44
United States
224
180
Vampire Numbers
114
Van Eck Sequence
388
Zeckendorf Representation
324
Zodiac Signs
56
88
61
γ
172
λ
134
167
160
199
π
261
τ
254
φ
568
√2
703
𝑒
410
66