Abundant Numbers
24th
brainfuck
8th
Diamonds
11th
Divisors
11th
Emirp Numbers
27th
Evil Numbers
16th
Fibonacci
23rd
Fizz Buzz
23rd
Happy Numbers
28th
Leap Years
20th
Niven Numbers
68th21st
Odious Numbers
11th
Ordinal Numbers
10th
Pangram Grep
Pascal’s Triangle
15th
Pernicious Numbers
40th
Prime Numbers
19th
Quine
1st90th
Rock-paper-scissors-Spock-lizard
6th
Sierpiński Triangle
9th
Spelling Numbers
5th
λ
16th
π
11th
τ
13th
φ
12th
√2
1st
𝑒
20th