12 Days of Christmas
12th
99 Bottles of Beer
19th
Abundant Numbers
61st34th
Arabic to Roman
8th
brainfuck
13th
Christmas Trees
78th
CSS Colors
9th15th
Cubes
11th
Diamonds
19th
Divisors
31st
Emirp Numbers
16th
Emojify
Evil Numbers
99th
Fibonacci
136th
Fizz Buzz
1st
Happy Numbers
17th
Leap Years
22nd19th46th6th21st
Leyland Numbers
25th
Look and Say
45th
Lucky Tickets
31st
Morse Decoder
Morse Encoder
11th
Niven Numbers
68th34th
1st39th
Odious Numbers
96th
Ordinal Numbers
Pangram Grep
68th
Pascal’s Triangle
75th
Pernicious Numbers
58th
Poker
Prime Numbers
114th
Quine
34th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
33rd
Rule 110
40th
Seven Segment
15th
Sierpiński Triangle
36th16th
Spelling Numbers
20th
Ten-pin Bowling
Tongue-twisters
2nd
United States
λ
35th
π
69th
τ
57th
φ
48th
√2
53rd
𝑒
63rd