

A167448


Smallest number with n distinct positive cubic exponents in its prime factorization.


5




OFFSET

0,2


LINKS



FORMULA

a(n) = Product_{k=1..n} prime(k)^((nk+1)^3).


EXAMPLE

a(2)=768, which has a prime factorization of 2^8 * 3^1.


MATHEMATICA

Table[Product[Prime[k]^((n  k + 1)^3), {k, 1, n}], {n, 0, 5}] (* Vaclav Kotesovec, Aug 10 2021 *)


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



