12 Days of Christmas
31st99 Bottles of Beer
25thAbundant Numbers
73rdAbundant Numbers (Long)
37thArrows
17thASCII Table
18thbrainfuck
17thCatalan Numbers
19thCatalan’s Constant
13thChristmas Trees
23rdCollatz
45thCSS Colors
14thCubes
25thDay of Week
14thDiamonds
19thDivisors
75thEmojify
9thEvil Numbers
47thEvil Numbers (Long)
25thFibonacci
183rdFizz Buzz
1stFoo Fizz Buzz Bar
17thFractions
30thIntersection
9thISBN
21stKolakoski Constant
16thLeap Years
82ndLeyland Numbers
10thln 2
17thNiven Numbers
58thNiven Numbers (Long)
27thNumber Spiral
14thOdious Numbers
44thOdious Numbers (Long)
25thOrdinal Numbers
23rdPrime Numbers
119thPrime Numbers (Long)
55thQuine
112thRijndael S-box
10thSeven Segment
14thSierpiński Triangle
16thTongue-twisters
16thUnited States
12thγ
9thλ
12thπ
30thτ
23rdφ
24th√2
19th𝑒
23rd