OFFSET
1,23
COMMENTS
All terms are less than or equal to 1, and a(n)=1 implies a(n-1)=0.
There are no consecutive equal terms.
LINKS
Rémy Sigrist, Table of n, a(n) for n = 1..10000
CROSSREFS
KEYWORD
sign
AUTHOR
Rémy Sigrist, Jan 29 2017
STATUS
approved