Abundant Numbers
28th33rd475th87th
Arabic to Roman
14th
Collatz
41st
Diamonds
33rd
Divisors
31st109th
109th
Emirp Numbers
48th
94th
Evil Numbers
39th63rd763rd130th
Evil Numbers (Long)
31st34th423rd61st
Fibonacci
76th80th1,787th245th
Fizz Buzz
34th119th2,024th243rd
Foo Fizz Buzz Bar
26th622nd55th
Fractions
21st
Happy Numbers
57th
Happy Numbers (Long)
37th
Intersection
24th
ISBN
20th
Leap Years
31st42nd
51st
Look and Say
25th
Niven Numbers
34th65th
85th
Odious Numbers
54th317th105th
Pangram Grep
13th35th299th63rd
Pascal’s Triangle
29th504th
Pernicious Numbers
38th36th499th106th
Prime Numbers
22nd76th520th138th
Prime Numbers (Long)
25th35th271st77th
Reverse Polish Notation
20th
Rock-paper-scissors-Spock-lizard
13th12th
42nd
Roman to Arabic
28th