12 Days of Christmas
285
99 Bottles of Beer
125356372403
591
Abundant Numbers
554
Abundant Numbers (Long)
729
Arithmetic Numbers
721
Card Number Validation
393
Catalan’s Constant
59
Christmas Trees
525
CSS Colors
89
250
Cubes
19
27
33
Day of Week
713
717
Diamonds
59
329
Divisors
708
Emirp Numbers
470
Emirp Numbers (Long)
527
Emojify
268
Evil Numbers
643
493
Evil Numbers (Long)
624
531
Factorial Factorisation
103
76
Fibonacci
934
580
Fizz Buzz
344
848
503
Foo Fizz Buzz Bar
454
Fractions
589
255
Game of Life
228
Happy Numbers
211
291
Happy Numbers (Long)
407
ISBN
294
Kolakoski Constant
60
Leap Years
715
757
784
616
ln 2
70
24
59
Look and Say
434
643
Lucky Numbers
19
Morse Encoder
147
Niven Numbers
554
654
703
Niven Numbers (Long)
641
716
887
Odious Numbers
753
Odious Numbers (Long)
765
Ordinal Numbers
349
Pascal’s Triangle
101
Pernicious Numbers
235
Pernicious Numbers (Long)
337
Prime Numbers
69
484
500
Prime Numbers (Long)
528
580
Quine
967
479
836
946
Rijndael S-box
112
Seven Segment
33155
311
Sierpiński Triangle
152
Spelling Numbers
150
Tongue-twisters
280
United States
84
103
92
73
γ
62
λ
170
97192
163
π
178395118105789898115671975345618191566448133991352662156
12515133029
10213416017225745050376102371564014234120313568252107132145151
τ
368
φ
50
√2
714
𝑒
71
37