OFFSET
1,2
LINKS
N. J. A. Sloane, Table of n, a(n) for n = 1..998
Rémy Sigrist, Scatterplot of (a(n), A308001(n)) for n = 1..10000
CROSSREFS
KEYWORD
sign
AUTHOR
N. J. A. Sloane, May 09 2019
STATUS
approved