OFFSET
1,3
COMMENTS
A snake polyomino has 2 cells with 1 neighbor each, and (n-2) cells with 2 neighbors each. - Arthur O'Dwyer, Dec 12 2022
LINKS
Arthur O'Dwyer, Polyomino strips, snakes, and ouroboroi, Dec 10 2022.
Ed Pegg, Jr., Illustrations of polyforms
Eric Weisstein's World of Mathematics, Polyomino
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Ed Pegg Jr, May 13 2009
EXTENSIONS
a(15)-a(23) from Joseph Myers, Nov 22 2010
a(24)-a(29) from Arthur O'Dwyer, Dec 10 2022
a(30)-a(33) from Arthur O'Dwyer, Jan 19 2023
STATUS
approved