12 Days of Christmas
29th
99 Bottles of Beer
53rd
Abundant Numbers
57th31st
Arabic to Roman
15th
brainfuck
19th
Christmas Trees
91st
CSS Colors
24th12th
Cubes
23rd
Diamonds
28th
Divisors
30th
Emirp Numbers
43rd
Emojify
Evil Numbers
90th
Fibonacci
122nd
Fizz Buzz
1st
Happy Numbers
45th
Leap Years
7th14th27th1st18th
Leyland Numbers
29th
Look and Say
40th
Lucky Tickets
29th
Morse Decoder
Morse Encoder
14th
Niven Numbers
61st31st
1st37th
Odious Numbers
88th
Ordinal Numbers
Pangram Grep
63rd
Pascal’s Triangle
72nd
Pernicious Numbers
55th
Poker
Prime Numbers
105th
Quine
30th
Rock-paper-scissors-Spock-lizard
Roman to Arabic
56th
Rule 110
50th
Seven Segment
16th
Sierpiński Triangle
36th14th
Spelling Numbers
46th
Ten-pin Bowling
Tongue-twisters
39th
United States
λ
65th
π
61st
τ
52nd
φ
43rd
√2
47th
𝑒
56th