12 Days of Christmas
321
24 Game
13
99 Bottles of Beer
366
Abundant Numbers
514
Abundant Numbers (Long)
596
Arabic to Roman
337
Arithmetic Numbers
476
Arrows
194
Ascending Primes
133
ASCII Table
360
brainfuck
166
Calendar
245
Card Number Validation
207
Catalan Numbers
68
Catalan’s Constant
64
Christmas Trees
841
Collatz
475
CSS Colors
566
Cubes
393
Day of Week
727
Diamonds
38
408
28
Divisors
357
484
Emirp Numbers
91
Emirp Numbers (Long)
149
Emojify
252
Evil Numbers
181
Evil Numbers (Long)
199
27
Factorial Factorisation
104
217
Farey Sequence
168
Fibonacci
748
449
Fizz Buzz
338
52208228
306
347299
398
464
487
Foo Fizz Buzz Bar
488
Forsyth–Edwards Notation
98
Fractions
389
Gijswijt’s Sequence
26
Gray Code Decoder
429
Gray Code Encoder
319
Happy Numbers
234
157
Happy Numbers (Long)
214
Hilbert Curve
62
Intersection
223
Inventory Sequence
16
ISBN
120
119
155
94
25583
Jacobi Symbol
242
Kaprekar Numbers
202
Kolakoski Constant
68
Kolakoski Sequence
464
Leap Years
731
Levenshtein Distance
338
283141
226
Leyland Numbers
680
ln 2
40
Look and Say
230
Lucky Numbers
231
255
Lucky Tickets
168
Mandelbrot
84
Medal Tally
207
Minesweeper
82
Morse Decoder
102
Morse Encoder
101
N Queens
60
Niven Numbers
366
Niven Numbers (Long)
482
Number Spiral
211345183241351215175210196155156197441148220208240247195242245180330178333246107190204
6223018420322114684235270303242296187221239219157142107317141222206364363277316422226365198
Odious Numbers
166
Odious Numbers (Long)
190
Ordinal Numbers
341
PalindromemordnilaP
110
Pangram Grep
92
111
207150
328
310
145
310
242
270
219
94227
Partition Numbers
71
Pascal’s Triangle
104
150
Pernicious Numbers
75
Pernicious Numbers (Long)
108
Polyominoes
27
Prime Numbers
304
Prime Numbers (Long)
313
QR Decoder
21
Quine
294
572
Recamán
229
Repeating Decimals
228
Reverse Polish Notation
181
Reversi
107
Rijndael S-box
108
Rock-paper-scissors-Spock-lizard
356
202
Roman to Arabic
307
ROT13
214
Rule 110
310
Scrambled Sort
114
118
316
115
Set
225
Seven Segment
213
Sierpiński Triangle
148
Smith Numbers
41
Spelling Numbers
120
Star Wars GPT
160
Star Wars Opening Crawl
197
Sudoku
79
Ten-pin Bowling
171
Tic-tac-toe
105
Time Distance
239
Tongue-twisters
307
Tower of Hanoi
384
Transpose Sentence
268
Trinomial Triangle
22
United States
97
Vampire Numbers
81
Van Eck Sequence
187
Zeckendorf Representation
382
Zodiac Signs
33
γ
70
λ
132
167
157
105
π
68
τ
50
φ
44
√2
46
𝑒
38
65