12 Days of Christmas
421st
99 Bottles of Beer
348th475th
Abundant Numbers
120th
265th804th
Abundant Numbers (Long)
66th
138th427th
Collatz
97th
256th633rd
Divisors
143rd
431st1,113th
Evil Numbers
111th
268th909th
Evil Numbers (Long)
73rd
121st489th
Factorial Factorisation
10th
Fibonacci
187th
418th928th
Fizz Buzz
441st
1,323rd1,721st
Foo Fizz Buzz Bar
109th
275th562nd
Happy Numbers
33rd
547th
Leap Years
118th
334th564th
Odious Numbers
89th
243rd654th
Odious Numbers (Long)
62nd
117th377th
Pernicious Numbers
409th
Prime Numbers
115th
378th1,069th
Rijndael S-box
22nd
π
51st23rd217th511th