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A239271 Number of domicule tilings of a 9 X 2n grid. 2
1, 341, 1968400, 18633949879, 185175369431551, 1851260737169108297, 18523901518471987018869, 185376808904045560177646408, 1855186116430353424133583769247, 18566115077411836147307357343137943, 185803902034786238482393324889706764945 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
COMMENTS
A domicule is either a domino or it is formed by the union of two neighboring unit squares connected via their corners. In a tiling the connections of two domicules are allowed to cross each other.
LINKS
CROSSREFS
Even bisection of column k=9 of A239264.
Sequence in context: A015371 A328665 A163582 * A204751 A247441 A045106
KEYWORD
nonn
AUTHOR
Alois P. Heinz, Mar 13 2014
STATUS
approved

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Last modified July 14 02:38 EDT 2024. Contains 374291 sequences. (Running on oeis4.)