OFFSET
1,3
COMMENTS
LINKS
Arthur O'Dwyer, Polyomino strips, snakes, and ouroboroi, 2022.
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Joerg Arndt and Márk Péter Légrádi, May 21 2023
EXTENSIONS
a(17)-a(22) from Arthur O'Dwyer added by Andrey Zabolotskiy, Jun 07 2023
a(23) added by Arthur O'Dwyer, Aug 11 2023
STATUS
approved