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A252653 Number of free polyominoes with n cells containing a complete self-avoiding walk. 1
1, 1, 2, 4, 8, 18, 46, 115, 300, 781, 2097, 5541 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
Table of n, a(n) for n=1..12.
Ernest French, Covering Free Polyominos
CROSSREFS
Cf. A000105, A213376, A283162.
Sequence in context: A000117 A338729 A308030 * A006771 A113989 A126757
Adjacent sequences: A252650 A252651 A252652 * A252654 A252655 A252656
KEYWORD
nonn,walk,more
AUTHOR
Ernest French, Mar 21 2015
STATUS
approved

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Last modified May 15 06:57 EDT 2024. Contains 372538 sequences. (Running on oeis4.)