12 Days of Christmas
287
99 Bottles of Beer
138368386423
596
Abundant Numbers
571
Abundant Numbers (Long)
768
Arithmetic Numbers
761
Card Number Validation
420
Catalan’s Constant
61
Christmas Trees
535
CSS Colors
94
261
Cubes
19
29
34
Day of Week
755
747
Diamonds
62
341
Divisors
732
Emirp Numbers
478
Emirp Numbers (Long)
543
Emojify
272
Evil Numbers
656
510
Evil Numbers (Long)
641
558
Factorial Factorisation
110
78
Fibonacci
947
595
Fizz Buzz
352
855
511
Foo Fizz Buzz Bar
474
Fractions
608
258
Game of Life
239
Happy Numbers
225
297
Happy Numbers (Long)
426
ISBN
309
Kolakoski Constant
62
Leap Years
740
774
796
635
ln 2
79
24
61
Look and Say
444
671
Lucky Numbers
20
Morse Encoder
150
Niven Numbers
583
667
725
Niven Numbers (Long)
685
735
927
Odious Numbers
769
Odious Numbers (Long)
788
Ordinal Numbers
365
Pascal’s Triangle
109
Pernicious Numbers
243
Pernicious Numbers (Long)
353
Prime Numbers
71
494
519
Prime Numbers (Long)
543
611
Quine
1,000
500
862
969
Rijndael S-box
114
Seven Segment
38164
319
Sierpiński Triangle
158
Spelling Numbers
162
Tongue-twisters
282
United States
89
107
94
74
γ
63
λ
183
101207
173
π
18901011301138510310512572224564566881006069511471101472666173
14016234130
11014717519225785253384112381754215438022314774281118145124168
τ
379
φ
51
√2
731
𝑒
76
39