12 Days of Christmas
401st
99 Bottles of Beer
338th450th
Abundant Numbers
117th
257th781st
Abundant Numbers (Long)
65th
131st410th
Collatz
93rd
247th593rd
Divisors
139th
423rd1,088th
Evil Numbers
108th
261st887th
Evil Numbers (Long)
69th
113th468th
Factorial Factorisation
8th
Fibonacci
180th
404th895th
Fizz Buzz
434th
1,304th1,676th
Foo Fizz Buzz Bar
106th
264th535th
Happy Numbers
30th
531st
Leap Years
111th
320th539th
Odious Numbers
88th
238th638th
Odious Numbers (Long)
59th
111th362nd
Pernicious Numbers
393rd
Prime Numbers
111th
366th1,038th
Rijndael S-box
19th
π
51st20th212th493rd