12 Days of Christmas
619
99 Bottles of Beer
127479444503
713
Abundant Numbers
725
Abundant Numbers (Long)
736
Arithmetic Numbers
620
Card Number Validation
394
Catalan’s Constant
71
Christmas Trees
604
CSS Colors
188
572
Cubes
19
22
33
Day of Week
714
895
Diamonds
59
373
Divisors
759
Emirp Numbers
579
Emirp Numbers (Long)
634
Emojify
297
Evil Numbers
643
511
Evil Numbers (Long)
624
531
Factorial Factorisation
103
95
Fibonacci
934
580
Fizz Buzz
345
929
561
Foo Fizz Buzz Bar
550
Fractions
693
255
Game of Life
265
Happy Numbers
253
467
Happy Numbers (Long)
473
ISBN
357
Kolakoski Constant
71
Leap Years
716
758
785
618
ln 2
70
24
60
Look and Say
533
668
Lucky Numbers
19
Morse Encoder
215
Niven Numbers
559
656
827
Niven Numbers (Long)
646
718
894
Odious Numbers
753
Odious Numbers (Long)
737
Ordinal Numbers
368
Pascal’s Triangle
102
Pernicious Numbers
243
Pernicious Numbers (Long)
353
Prime Numbers
69
484
572
Prime Numbers (Long)
528
579
Quine
967
491
836
946
Rijndael S-box
156
Seven Segment
33158
426
Sierpiński Triangle
123
Spelling Numbers
309
Tongue-twisters
498
United States
86
114
129
100
γ
74
λ
200
157227
187
π
18508395118102789810011567198594361819158654813299136326276
12615333030
10213415717225895051421105441564014259320313578252108132111153
τ
412
φ
51
√2
717
𝑒
72
37