12 Days of Christmas
401st
99 Bottles of Beer
329th431st
Abundant Numbers
72nd
239th737th
Abundant Numbers (Long)
33rd
115th367th
Collatz
49th
220th530th
Divisors
131st
408th1,038th
Evil Numbers
95th
243rd825th
Evil Numbers (Long)
53rd
100th411th
Factorial Factorisation
7th
Fibonacci
159th
374th829th
Fizz Buzz
417th
1,258th1,622nd
Foo Fizz Buzz Bar
99th
242nd506th
Happy Numbers
28th
500th
Leap Years
102nd
303rd611th
Odious Numbers
76th
227th599th
Odious Numbers (Long)
49th
101st321st
Pernicious Numbers
366th
Prime Numbers
96th
349th986th
Rijndael S-box
16th
π
44th19th193rd457th