12 Days of Christmas
30th
99 Bottles of Beer
55th
Abundant Numbers
60th34th
Arabic to Roman
15th
brainfuck
19th
Christmas Trees
95th
CSS Colors
26th14th
Cubes
26th
Diamonds
30th
Divisors
32nd
Emirp Numbers
45th
Emojify
Evil Numbers
96th
Fibonacci
131st
Fizz Buzz
1st
Happy Numbers
46th
Leap Years
9th16th44th5th20th
Leyland Numbers
31st
Look and Say
42nd
Lucky Tickets
34th
Morse Decoder
Morse Encoder
14th
Niven Numbers
65th34th
1st38th
Odious Numbers
94th
Ordinal Numbers
Pangram Grep
67th
Pascal’s Triangle
75th
Pernicious Numbers
57th
Poker
Prime Numbers
112th
Quine
33rd
Rock-paper-scissors-Spock-lizard
Roman to Arabic
60th
Rule 110
53rd
Seven Segment
16th
Sierpiński Triangle
36th16th
Spelling Numbers
51st
Ten-pin Bowling
Tongue-twisters
45th
United States
λ
71st
π
65th
τ
53rd
φ
44th
√2
50th
𝑒
60th