A278110 a(n) = Product_{k=1..A056811(n)} A000040(k)^A278109(n,k).

1, 1, 1, 2, 2, 2, 2, 4, 12, 12, 12, 24, 24, 24, 24, 48, 48, 144, 144, 288, 288, 288, 288, 576, 2880, 2880, 8640, 17280, 17280, 17280, 17280, 34560, 34560, 34560, 34560, 207360, 207360, 207360, 207360, 414720, 414720, 414720, 414720, 829440, 2488320

Offset: 1

Author

Jason Kimberley, Feb 02 2017

Keywords

• nonn
• easy

Links

• Jason Kimberley, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A033833, A181817, A278108, A278109.

Programs

Magma

[&*[Integers()|p^(n div p^2):p in PrimesUpTo(Isqrt(n))]:n in[1..45]];