A328763 a(n) = A328613(A276086(n)).

3, 10, 5, 42, 7, 126, 5, 14, 7, 330, 11, 990, 21, 22, 11, 1650, 91, 5850, 55, 26, 13, 9750, 13, 29250, 39, 26, 13, 63750, 17, 191250, 21, 14, 7, 66, 55, 198, 55, 22, 11, 2730, 13, 8190, 33, 26, 13, 13650, 13, 53550, 65, 26, 17, 89250, 17, 267750, 37179, 34, 17, 446250, 209, 1496250, 33, 22, 11, 78, 91, 234, 65, 26, 13, 19110, 13, 74970, 117, 374, 17

Offset: 0

Author

Antti Karttunen, Oct 28 2019

Keywords

• nonn

Links

• Antti Karttunen, Table of n, a(n) for n = 0..2559
• Antti Karttunen, Data supplement: n, a(n) computed for n = 0..32768
• Index entries for sequences related to primorial base

Crossrefs

Cf. A055396, A276086, A328578, A328613, A328764 (rgs-transform).

Programs

PARI

A276086(n) = { my(m=1, p=2); while(n, m *= (p^(n%p)); n = n\p; p = nextprime(1+p)); (m); };
A328613(n) = { my(m=1, p=2); while(n, m *= p^valuation(n,p); n = n\p; p = nextprime(1+p)); (m*p); };
A328763(n) = A328613(A276086(n));

Formula

a(n) = A328613(A276086(n)).

A055396(a(n)) = A328578(n).