12 Days of Christmas
951st
99 Bottles of Beer
115th
Abundant Numbers
80th
Christmas Trees
18th417th
Divisors
10th1st
Emirp Numbers
100th
Evil Numbers
718th
Fibonacci
1,104th
Fizz Buzz
137th1,523rd
Fractions
443rd
Happy Numbers
100th
Leap Years
449th
Morse Decoder
80th
Morse Encoder
57th
Niven Numbers
38th242nd
Pangram Grep
308th
Pascal’s Triangle
607th
Pernicious Numbers
353rd
Prime Numbers
366th
Quine
102nd67th
Rule 110
140th
Seven Segment
126th
Tongue-twisters
42nd
λ
120th