12 Days of Christmas
3,036th
99 Bottles of Beer
3,209th3,181st
Abundant Numbers
3,931st673rd3,645th
Arabic to Roman
1,732nd
Christmas Trees
2,709th2,732nd
Cubes
1,052nd
Diamonds
1,832nd1,830th
Divisors
4,344th2,496th4,715th
Emirp Numbers
2,935th2,951st2,872nd
Evil Numbers
4,741st3,954th
Fibonacci
7,907th9,086th9,115th
Fizz Buzz
6,029th12,629th
Happy Numbers
2,962nd2,953rd2,934th
Leap Years
4,192nd4,191st4,180th
Morse Decoder
842nd
Morse Encoder
948th
Niven Numbers
3,895th3,892nd3,859th
Odious Numbers
3,884th3,854th3,803rd
Ordinal Numbers
1,754th1,765th
Pangram Grep
2,409th
Pascal’s Triangle
2,641st2,499th
Pernicious Numbers
3,109th3,102nd
Prime Numbers
5,085th5,124th5,044th
Quine
3,984th
Rock-paper-scissors-Spock-lizard
941st
Roman to Arabic
1,316th
Rule 110
1,072nd
Seven Segment
1,331st1,398th
Sierpiński Triangle
1,868th