12 Days of Christmas
692
24 Game
25
99 Bottles of Beer
607
Abundant Numbers
506
Abundant Numbers (Long)
581
Arabic to Roman
368
Arithmetic Numbers
502
Arrows
176
Ascending Primes
150
ASCII Table
383
brainfuck
207
Calendar
299
Card Number Validation
201
Catalan Numbers
67
Catalan’s Constant
63
Christmas Trees
829
Collatz
468
CSS Colors
561
Cubes
472
Day of Week
727
Diamonds
37
399
31
Divisors
346
507
Emirp Numbers
143
Emirp Numbers (Long)
146
Emojify
258
Evil Numbers
179
Evil Numbers (Long)
196
27
Factorial Factorisation
103
239
Farey Sequence
168
Fibonacci
740
446
Fizz Buzz
335
52207228
303
345331
395
460
485
Foo Fizz Buzz Bar
515
Forsyth–Edwards Notation
96
Fractions
388
Gijswijt’s Sequence
25
Gray Code Decoder
419
Gray Code Encoder
303
Happy Numbers
279
232
Happy Numbers (Long)
209
Hilbert Curve
36
Intersection
238
Inventory Sequence
15
ISBN
118
118
153
94
25081
Jacobi Symbol
258
Kaprekar Numbers
195
Kolakoski Constant
71
Kolakoski Sequence
458
Leap Years
724
Levenshtein Distance
424
271187
234
Leyland Numbers
663
ln 2
39
Look and Say
225
Lucky Numbers
229
248
Lucky Tickets
165
Mandelbrot
72
Medal Tally
213
Minesweeper
80
Morse Decoder
83
Morse Encoder
79
N Queens
75
Niven Numbers
357
Niven Numbers (Long)
466
Number Spiral
208342165181238348212174208194154173208438177218206232244246239242186326176329244104187202
6023418320221814482255266299240293184219272216192139114313184220203361433274313419223362196
Odious Numbers
164
Odious Numbers (Long)
186
Ordinal Numbers
342
PalindromemordnilaP
103
Pangram Grep
89
126
204155
325
306
144
306
235
317
214
92223
Partition Numbers
69
Pascal’s Triangle
104
148
Pernicious Numbers
73
Pernicious Numbers (Long)
103
Polyominoes
37
Prime Numbers
303
Prime Numbers (Long)
309
QR Decoder
26
Quine
291
571
Recamán
223
Repeating Decimals
286
Reverse Polish Notation
182
Reversi
111
Rijndael S-box
144
Rock-paper-scissors-Spock-lizard
282
209
Roman to Arabic
310
ROT13
212
Rule 110
293
Scrambled Sort
113
112
302
121
Set
275
Seven Segment
227
Sierpiński Triangle
149
Smith Numbers
50
Spelling Numbers
221
Star Wars GPT
182
Star Wars Opening Crawl
318
Sudoku
121
Ten-pin Bowling
182
Tic-tac-toe
102
Time Distance
382
Tongue-twisters
530
Tower of Hanoi
377
Transpose Sentence
260
Trinomial Triangle
21
United States
101
Vampire Numbers
109
Van Eck Sequence
184
Zeckendorf Representation
374
Zodiac Signs
34
γ
72
λ
187
205
175
175
π
67
τ
49
φ
44
√2
45
𝑒
37
66