Abundant Numbers
22nd
brainfuck
8th
Diamonds
11th
Divisors
11th
Emirp Numbers
26th
Evil Numbers
14th
Fibonacci
1st
Fizz Buzz
23rd
Happy Numbers
20th
Leap Years
17th
Niven Numbers
67th21st
Odious Numbers
9th
Ordinal Numbers
10th
Pangram Grep
Pascal’s Triangle
15th
Pernicious Numbers
40th
Prime Numbers
18th
Quine
1st90th
Rock-paper-scissors-Spock-lizard
9th
Sierpiński Triangle
9th
Spelling Numbers
5th
λ
16th
π
12th
τ
13th
φ
15th
√2
22nd
𝑒
20th