OFFSET
1,4
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..8191
Rémy Sigrist, Density plot of the first 2^22-1 terms
Rémy Sigrist, PARI program for A326281
PROG
(PARI) See Links section.
CROSSREFS
KEYWORD
sign,look
AUTHOR
Rémy Sigrist, Jun 22 2019
STATUS
approved