Abundant Numbers
22nd
brainfuck
7th
Diamonds
6th
Divisors
9th
Emirp Numbers
26th
Evil Numbers
11th
Fibonacci
19th
Fizz Buzz
21st
Happy Numbers
28th
Leap Years
18th
Niven Numbers
65th17th
Odious Numbers
10th
Ordinal Numbers
8th
Pangram Grep
Pascal’s Triangle
15th
Pernicious Numbers
34th
Prime Numbers
16th
Quine
1st72nd
Rock-paper-scissors-Spock-lizard
4th
Sierpiński Triangle
7th
Spelling Numbers
4th
λ
15th
π
9th
τ
11th
φ
11th
√2
1st
𝑒
16th