12 Days of Christmas
924th
99 Bottles of Beer
113th
Abundant Numbers
78th
Christmas Trees
18th406th
Divisors
10th1st
Emirp Numbers
99th
Evil Numbers
701st
Fibonacci
1,077th
Fizz Buzz
136th1,504th
Fractions
432nd
Happy Numbers
96th
Leap Years
442nd
Morse Decoder
76th
Morse Encoder
54th
Niven Numbers
38th239th
Pangram Grep
298th
Pascal’s Triangle
597th
Pernicious Numbers
347th
Prime Numbers
355th
Quine
99th63rd
Rule 110
139th
Seven Segment
123rd
Tongue-twisters
41st
λ
119th