a(n) is the smallest number which can be represented as the product of n distinct integers > 1 in exactly n ways.

A360590

a(n) is the smallest number which can be represented as the product of n distinct integers > 1 in exactly n ways.

Terms

    a(0) =2a(1) =12a(2) =60a(3) =420a(4) =3456a(5) =60060a(6) =155520a(7) =1512000a(8) =13063680a(9) =169344000a(10) =1524096000a(11) =16765056000a(12) =217945728000

External references