12 Days of Christmas
310
650
673
649
24 Game
23
99 Bottles of Beer
226
350
Abundant Numbers
592
680
622
Abundant Numbers (Long)
122
Arabic to Roman
539
Arithmetic Numbers
471
Arrows
432
Ascending Primes
226
ASCII Table
563
611
Billiards
268
brainfuck
228
403
Card Number Validation
462
Catalan Numbers
30
15
Catalan’s Constant
92
542
104
73
Christmas Trees
102
Collatz
14
654
CSS Colors
180
Cubes
34
Diamonds
56
Divisors
49
313
Emirp Numbers
380
Emirp Numbers (Long)
54
Emojify
190
300
Evil Numbers
606
Evil Numbers (Long)
603
Factorial Factorisation
236
Farey Sequence
13
Fibonacci
484
500186
7460
200
276
343
103
247
Fizz Buzz
397
352
570
Foo Fizz Buzz Bar
509
Fractions
348
Gijswijt’s Sequence
26
Happy Numbers
469491517
142
472461422324
519182358
388586425
493424591182139462100421425430118
148544
650214493535562349431377472
Happy Numbers (Long)
103
Hexdump
293
Intersection
313
292
Inventory Sequence
15
ISBN
372
636
Kolakoski Sequence
26
Leap Years
49
Leyland Numbers
73
ln 2
52
Look and Say
57
Lucky Numbers
20
Maze
22
Morse Decoder
108
Morse Encoder
117
Niven Numbers
564
Niven Numbers (Long)
625
Number Spiral
292
351
245
363
252
Odious Numbers
556
Odious Numbers (Long)
554
Ordinal Numbers
519
Pangram Grep
615
Pascal’s Triangle
109
280
Pernicious Numbers
281
282
Pernicious Numbers (Long)
361
Poker
115
Prime Numbers
505
388534507
362
463
331
123
303
480
388267
667232
517
Prime Numbers (Long)
557
Quine
969
Recamán
53
Rijndael S-box
23567
161
Rock-paper-scissors-Spock-lizard
503
Roman to Arabic
255
ROT13
327
Rule 110
4
Seven Segment
73
512
Sierpiński Triangle
102
Smith Numbers
47
Tongue-twisters
415
United States
131
Vampire Numbers
132
Van Eck Sequence
18125754
16
5
58
3
42
Zeckendorf Representation
552
Zodiac Signs
201
γ
124
77
λ
198
π
53
τ
55
φ
58
√2
57
𝑒
44
105
131
65
4776