12 Days of Christmas
623
99 Bottles of Beer
138488451517
718
Abundant Numbers
750
Abundant Numbers (Long)
768
Arithmetic Numbers
654
Card Number Validation
420
Catalan’s Constant
73
Christmas Trees
614
CSS Colors
200
600
Cubes
19
23
35
Day of Week
755
934
Diamonds
62
384
Divisors
786
Emirp Numbers
591
Emirp Numbers (Long)
655
Emojify
303
Evil Numbers
656
529
Evil Numbers (Long)
641
558
Factorial Factorisation
110
99
Fibonacci
947
595
Fizz Buzz
352
935
568
Foo Fizz Buzz Bar
570
Fractions
716
258
Game of Life
282
Happy Numbers
270
485
Happy Numbers (Long)
495
ISBN
375
Kolakoski Constant
73
Leap Years
740
774
796
635
ln 2
79
24
62
Look and Say
548
697
Lucky Numbers
20
Morse Encoder
220
Niven Numbers
583
667
850
Niven Numbers (Long)
685
735
927
Odious Numbers
769
Odious Numbers (Long)
759
Ordinal Numbers
381
Pascal’s Triangle
109
Pernicious Numbers
252
Pernicious Numbers (Long)
371
Prime Numbers
71
494
596
Prime Numbers (Long)
543
611
Quine
1,000
513
862
969
Rijndael S-box
163
Seven Segment
38167
437
Sierpiński Triangle
128
Spelling Numbers
343
Tongue-twisters
501
United States
89
117
132
102
γ
77
λ
265
162241
195
π
195390101130117851031071257222462486688100636951149110148326684
14016434131
11014717919225945254430115461754215466422314785281118145162170
τ
425
φ
52
√2
731
𝑒
76
39