12 Days of Christmas
818
595
99 Bottles of Beer
128461441501
711
Abundant Numbers
711
Abundant Numbers (Long)
718
Arithmetic Numbers
608
Arrows
404
321
ASCII Table
12
Card Number Validation
388
Catalan’s Constant
69
Christmas Trees
612
Collatz
662
CSS Colors
185
567
Cubes
18
21
32
Day of Week
719
899
Diamonds
58
365
Divisors
746
Emirp Numbers
569
Emirp Numbers (Long)
607
Emojify
297
Evil Numbers
643
508
Evil Numbers (Long)
623
525
Factorial Factorisation
104
94
Fibonacci
40
505
632
510
933
575
Fizz Buzz
536
197
596551520
523
619952
747
926
554
Foo Fizz Buzz Bar
657872
541
Fractions
652
694
253
Game of Life
78
261
262
Happy Numbers
253
460
Happy Numbers (Long)
463
ISBN
349
Kolakoski Constant
66
Leap Years
715
766
783
612
ln 2
70
23
60
Look and Say
673
530
657
Lucky Numbers
19
Medal Tally
326
Morse Encoder
211
Musical Chords
92
Niven Numbers
613
651
806
Niven Numbers (Long)
628
711
866
Odious Numbers
751
Odious Numbers (Long)
735
Ordinal Numbers
363
Pangram Grep
532
520
477
547444
279
591
313
137
Pascal’s Triangle
102
Pernicious Numbers
240
Pernicious Numbers (Long)
347
Prime Numbers
69
484
571
Prime Numbers (Long)
528
577
Quine
962
479
835
946
Rijndael S-box
166
179
156
Rock-paper-scissors-Spock-lizard
583
Seven Segment
35155
409
Sierpiński Triangle
118
Spelling Numbers
311
Tongue-twisters
487
United States
83
112
117
98
Vampire Numbers
85
Zodiac Signs
γ
74
λ
189
144205
182
π
18274984961199675100991155767180584362788758926748132100118137314164752026126106332133305767111135146174248847514209544135401376759620313576255107111100133
τ
411
φ
69
51
√2
711
𝑒
67
37