12 Days of Christmas
827
99 Bottles of Beer
923
Abundant Numbers
561
Catalan’s Constant
83
CSS Colors
619
Cubes
51
455
Diamonds
65
Divisors
630
Emirp Numbers
664
Emojify
548
Evil Numbers
472
Fibonacci
610
Fizz Buzz
751
928
271
832
669
576
991
Foo Fizz Buzz Bar
13
Happy Numbers
530
Happy Numbers (Long)
145
Kolakoski Constant
81
Kolakoski Sequence
54
Leap Years
836
Levenshtein Distance
537
Leyland Numbers
76
Look and Say
679
Morse Decoder
630
Morse Encoder
409
Niven Numbers
569
Odious Numbers
465
Pascal’s Triangle
64
Pernicious Numbers
342
Poker
373
Prime Numbers
563
Prime Numbers (Long)
17
6
7Quine
966
Recamán
55
Rock-paper-scissors-Spock-lizard
483
Sierpiński Triangle
514
Smith Numbers
44
Spelling Numbers
606
Tongue-twisters
528
United States
354
Vampire Numbers
95
Van Eck Sequence
16
λ
200
π
639
τ
70
φ
57
√2
59
𝑒
57