A328583 a(n) = A023900(A276086(n)).

1, -1, -2, 2, -2, 2, -4, 4, 8, -8, 8, -8, -4, 4, 8, -8, 8, -8, -4, 4, 8, -8, 8, -8, -4, 4, 8, -8, 8, -8, -6, 6, 12, -12, 12, -12, 24, -24, -48, 48, -48, 48, 24, -24, -48, 48, -48, 48, 24, -24, -48, 48, -48, 48, 24, -24, -48, 48, -48, 48, -6, 6, 12, -12, 12, -12, 24, -24, -48, 48, -48, 48, 24, -24, -48, 48, -48, 48, 24, -24

Offset

0,3

Links

Antti Karttunen, Table of n, a(n) for n = 0..32768

Index entries for sequences related to primorial base

Formula

a(n) = A023900(A276086(n)).

abs(a(n)) = A324650(n) / A328572(n).

Prog

(PARI) A328583(n) = { my(m=1, p=2); while(n, m *= (1-p)^!!(n%p); n = n\p; p = nextprime(1+p)); (m); };

Crossrefs

Cf. A023900, A276086, A324650, A328572.

Sequence in context: A237756 A010334 A010578 * A355537 A240674 A005866

Adjacent sequences: A328580 A328581 A328582 * A328584 A328585 A328586

Keyword

sign

Author

Antti Karttunen, Oct 21 2019

Status

approved