Abundant Numbers
23rd
brainfuck
9th
Diamonds
11th
Divisors
11th
Emirp Numbers
27th
Evil Numbers
15th
Fibonacci
1st
Fizz Buzz
27th
Happy Numbers
20th
Leap Years
18th
Niven Numbers
68th21st
Odious Numbers
10th
Ordinal Numbers
10th
Pangram Grep
Pascal’s Triangle
16th
Pernicious Numbers
42nd
Prime Numbers
19th
Quine
1st95th
Rock-paper-scissors-Spock-lizard
10th
Sierpiński Triangle
9th
Spelling Numbers
6th
λ
17th
π
13th
τ
15th
φ
16th
√2
22nd
𝑒
21st