12 Days of Christmas
28th
99 Bottles of Beer
52nd
Abundant Numbers
53rd28th
Arabic to Roman
15th
brainfuck
18th
Christmas Trees
88th
CSS Colors
23rd12th
Cubes
22nd
Diamonds
28th
Divisors
28th
Emirp Numbers
42nd
Emojify
Evil Numbers
85th
Fibonacci
111th
Fizz Buzz
1st
Happy Numbers
43rd
Leap Years
7th12th12th1st18th
Leyland Numbers
28th
Look and Say
40th
Lucky Tickets
29th
Morse Decoder
Morse Encoder
14th
Niven Numbers
54th26th
1st31st
Odious Numbers
80th
Ordinal Numbers
Pangram Grep
59th
Pascal’s Triangle
65th
Pernicious Numbers
51st
Poker
Prime Numbers
92nd
Quine
28th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
53rd
Rule 110
48th
Seven Segment
16th
Sierpiński Triangle
35th14th
Spelling Numbers
44th
Ten-pin Bowling
Tongue-twisters
35th
United States
λ
57th
π
54th
τ
49th
φ
39th
√2
41st
𝑒
47th