12 Days of Christmas
32nd
99 Bottles of Beer
56th
Abundant Numbers
64th34th
Arabic to Roman
16th
brainfuck
19th
Christmas Trees
97th
CSS Colors
29th15th
Cubes
29th
Diamonds
34th
Divisors
32nd
Emirp Numbers
46th
Emojify
Evil Numbers
104th
Fibonacci
139th
Fizz Buzz
1st
Happy Numbers
48th
Leap Years
7th17th53rd8th21st
Leyland Numbers
32nd
Look and Say
45th
Lucky Tickets
41st
Morse Decoder
Morse Encoder
15th
Niven Numbers
68th34th
1st39th
Odious Numbers
100th
Ordinal Numbers
Pangram Grep
71st
Pascal’s Triangle
80th
Pernicious Numbers
64th
Poker
Prime Numbers
116th
Quine
46th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
62nd
Rule 110
54th
Seven Segment
20th
Sierpiński Triangle
38th17th
Spelling Numbers
54th
Ten-pin Bowling
Tongue-twisters
46th
United States
λ
74th
π
70th
τ
57th
φ
49th
√2
55th
𝑒
64th