OFFSET
1,1
COMMENTS
Even terms of A329609, divided by two.
Numbers k for which A156552(k) == 1 (mod 3). - Antti Karttunen, Feb 27 2020
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..20000
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Nov 21 2019
EXTENSIONS
New primary definition added by Antti Karttunen, Mar 01 2020
STATUS
approved