12 Days of Christmas
835
99 Bottles of Beer
930
Abundant Numbers
565
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Catalan’s Constant
79
CSS Colors
654
Cubes
55
470
Day of Week
855
Diamonds
68
Divisors
645
Emirp Numbers
688
Emojify
565
Evil Numbers
487
Fibonacci
623
Fizz Buzz
766948288847684593
1,000
Foo Fizz Buzz Bar
14
Happy Numbers
549
Happy Numbers (Long)
152
Kaprekar Numbers
448
Kolakoski Constant
85
Kolakoski Sequence
57
Leap Years
854
Levenshtein Distance
574
Leyland Numbers
78
ln 2
63
Look and Say
706
Morse Decoder
644
Morse Encoder
425
Niven Numbers
583
Odious Numbers
468
Pascal’s Triangle
67
Pernicious Numbers
354
Poker
386
Prime Numbers
581
Prime Numbers (Long)
1868
Quine
1,000
Recamán
56
Rock-paper-scissors-Spock-lizard
493
ROT13
848
Sierpiński Triangle
527
Smith Numbers
47
Spelling Numbers
650
Tic-tac-toe
603
Tongue-twisters
534
United States
365
Vampire Numbers
100
Van Eck Sequence
17
λ
206
π
659
τ
73
φ
59
√2
61
𝑒
59