Abundant Numbers
23rd
brainfuck
7th
Diamonds
6th
Divisors
9th
Emirp Numbers
26th
Evil Numbers
12th
Fibonacci
22nd
Fizz Buzz
22nd
Happy Numbers
28th
Leap Years
19th
Niven Numbers
66th20th
Odious Numbers
10th
Ordinal Numbers
8th
Pangram Grep
Pascal’s Triangle
15th
Pernicious Numbers
35th
Prime Numbers
16th
Quine
1st74th
Rock-paper-scissors-Spock-lizard
4th
Sierpiński Triangle
7th
Spelling Numbers
4th
λ
15th
π
9th
τ
11th
φ
11th
√2
1st
𝑒
17th