A324650 -id:A324650 - cp's OEIS frontend

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

Graph
List
Refs
Listen
History
Text
Internal format

Antti Karttunen, Oct 21 2019

sign

Antti Karttunen, Table of n, a(n) for n = 0..32768
Index entries for sequences related to primorial base

Cf. A023900, A276086, A324650, A328572.

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

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

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

cp's OEIS Frontend

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

Views

Author

Keywords

Links

Crossrefs

Programs

PARI

Formula