12 Days of Christmas
13th
99 Bottles of Beer
18th
Abundant Numbers
60th34th
Arabic to Roman
8th
brainfuck
12th
Christmas Trees
78th
CSS Colors
9th14th
Cubes
11th
Diamonds
16th
Divisors
32nd
Emirp Numbers
16th
Emojify
Evil Numbers
96th
Fibonacci
131st
Fizz Buzz
1st
Happy Numbers
17th
Leap Years
23rd19th45th5th20th
Leyland Numbers
25th
Look and Say
42nd
Lucky Tickets
29th
Morse Decoder
Morse Encoder
11th
Niven Numbers
66th34th
1st38th
Odious Numbers
94th
Ordinal Numbers
Pangram Grep
67th
Pascal’s Triangle
75th
Pernicious Numbers
57th
Poker
Prime Numbers
112th
Quine
33rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
33rd
Rule 110
39th
Seven Segment
14th
Sierpiński Triangle
36th16th
Spelling Numbers
20th
Ten-pin Bowling
Tongue-twisters
2nd
United States
λ
33rd
π
65th
τ
53rd
φ
44th
√2
50th
𝑒
60th