12 Days of Christmas
321
24 Game
13
99 Bottles of Beer
366
Abundant Numbers
506
Abundant Numbers (Long)
581
Arabic to Roman
336
Arithmetic Numbers
464
Arrows
193
Ascending Primes
132
ASCII Table
359
brainfuck
166
Calendar
242
Card Number Validation
200
Catalan Numbers
67
Catalan’s Constant
63
Christmas Trees
829
Collatz
468
CSS Colors
561
Cubes
393
Day of Week
727
Diamonds
37
399
27
Divisors
346
472
Emirp Numbers
89
Emirp Numbers (Long)
146
Emojify
247
Evil Numbers
179
Evil Numbers (Long)
196
27
Factorial Factorisation
103
213
Farey Sequence
168
Fibonacci
740
446
Fizz Buzz
335
52207228
303
345297
395
460
485
Foo Fizz Buzz Bar
487
Forsyth–Edwards Notation
95
Fractions
388
Gijswijt’s Sequence
25
Gray Code Decoder
414
Gray Code Encoder
302
Happy Numbers
233
154
Happy Numbers (Long)
209
Hilbert Curve
61
Intersection
217
Inventory Sequence
15
ISBN
119
118
153
94
25082
Jacobi Symbol
241
Kaprekar Numbers
195
Kolakoski Constant
67
Kolakoski Sequence
464
Leap Years
722
Levenshtein Distance
333
273140
225
Leyland Numbers
662
ln 2
39
Look and Say
224
Lucky Numbers
229
249
Lucky Tickets
164
Mandelbrot
84
Medal Tally
198
Minesweeper
78
Morse Decoder
102
Morse Encoder
99
N Queens
60
Niven Numbers
356
Niven Numbers (Long)
466
Number Spiral
208342181238348212174208194154153194438146218206238244193239242177326176329244104187202
6022818320221814482232263299240293184219236216156139104313139220203361360274313419223362196
Odious Numbers
164
Odious Numbers (Long)
186
Ordinal Numbers
341
PalindromemordnilaP
103
Pangram Grep
89
109
204148
325
306
144
306
235
269
214
92223
Partition Numbers
69
Pascal’s Triangle
104
148
Pernicious Numbers
73
Pernicious Numbers (Long)
103
Polyominoes
27
Prime Numbers
303
Prime Numbers (Long)
309
QR Decoder
20
Quine
290
571
Recamán
222
Repeating Decimals
228
Reverse Polish Notation
181
Reversi
107
Rijndael S-box
107
Rock-paper-scissors-Spock-lizard
356
202
Roman to Arabic
301
ROT13
212
Rule 110
301
Scrambled Sort
113
116
299
108
Set
216
Seven Segment
209
Sierpiński Triangle
143
Smith Numbers
41
Spelling Numbers
120
Star Wars GPT
153
Star Wars Opening Crawl
196
Sudoku
79
Ten-pin Bowling
171
Tic-tac-toe
102
Time Distance
239
Tongue-twisters
307
Tower of Hanoi
378
Transpose Sentence
259
Trinomial Triangle
21
United States
96
Vampire Numbers
80
Van Eck Sequence
184
Zeckendorf Representation
369
Zodiac Signs
33
γ
70
λ
132
163
157
105
π
67
τ
49
φ
44
√2
45
𝑒
37
64