12 Days of Christmas
13th
99 Bottles of Beer
18th
Abundant Numbers
59th33rd
Arabic to Roman
7th
brainfuck
13th
Christmas Trees
78th
CSS Colors
9th14th
Cubes
10th
Diamonds
16th
Divisors
32nd
Emirp Numbers
16th
Emojify
Evil Numbers
95th
Fibonacci
127th
Fizz Buzz
1st
Happy Numbers
17th
Leap Years
23rd19th37th1st18th
Leyland Numbers
25th
Look and Say
42nd
Lucky Tickets
28th
Morse Decoder
Morse Encoder
11th
Niven Numbers
66th34th
1st38th
Odious Numbers
93rd
Ordinal Numbers
Pangram Grep
66th
Pascal’s Triangle
73rd
Pernicious Numbers
56th
Poker
Prime Numbers
108th
Quine
32nd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
33rd
Rule 110
39th
Seven Segment
14th
Sierpiński Triangle
36th16th
Spelling Numbers
19th
Ten-pin Bowling
Tongue-twisters
2nd
United States
λ
31st
π
64th
τ
53rd
φ
43rd
√2
49th
𝑒
58th