12 Days of Christmas
25th
99 Bottles of Beer
327th
51st
Abundant Numbers
39th
Arabic to Roman
40th
brainfuck
52nd
Christmas Trees
4th
CSS Colors
22nd
Cubes
34th
Diamonds
65th
Divisors
453rd
1st
45th
Emirp Numbers
31st41st105th18th70th30th50th228th39th47th24th48th50th638th76th
Emojify
23rd
Evil Numbers
834th
26th
Fibonacci
138th109th
Fizz Buzz
9th
1,837th
1st
Happy Numbers
521st
74th
Leap Years
31st
Leyland Numbers
53rd
Morse Decoder
19th
Morse Encoder
23rd
Niven Numbers
44th
Odious Numbers
22nd
Ordinal Numbers
52nd
Pangram Grep
39th
Pascal’s Triangle
33rd
Pernicious Numbers
65th
Poker
20th
Prime Numbers
24th
Quine
1st
670th
101st
Rock-paper-scissors-Spock-lizard
42nd
Roman to Arabic
54th
Rule 110
48th
Seven Segment
28th
Sierpiński Triangle
25th
Spelling Numbers
23rd
Ten-pin Bowling
20th
Tongue-twisters
39th
United States
λ
30th
π
τ
φ
47th
√2
𝑒
51st