OFFSET
0,4
COMMENTS
It seems that A006093 gives the positions of zeros.
LINKS
Antti Karttunen, Table of n, a(n) for n = 0..4096
FORMULA
a(n) = A249151(n) - n.
CROSSREFS
KEYWORD
sign
AUTHOR
Antti Karttunen, Nov 02 2014
STATUS
approved