OFFSET
0,4
COMMENTS
LINKS
Code Golf Stack Exchange, Counting polystrips
Arthur O'Dwyer, Polyomino strips, snakes, and ouroboroi, 2022.
CROSSREFS
KEYWORD
nonn
AUTHOR
Peter Kagey, Mar 14 2020
EXTENSIONS
a(16)-a(26) from John Mason, Sep 15 2022
a(27)-a(33) from Arthur O'Dwyer's blog added by Andrey Zabolotskiy, Jun 20 2024
STATUS
approved