A239271 Number of domicule tilings of a 9 X 2n grid.

1, 341, 1968400, 18633949879, 185175369431551, 1851260737169108297, 18523901518471987018869, 185376808904045560177646408, 1855186116430353424133583769247, 18566115077411836147307357343137943, 185803902034786238482393324889706764945

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

Alois P. Heinz, Table of n, a(n) for n = 0..200

Crossrefs

Even bisection of column k=9 of A239264.

Sequence in context: A015371 A328665 A163582 * A204751 A247441 A045106

Adjacent sequences: A239268 A239269 A239270 * A239272 A239273 A239274

Keyword

nonn

Author

Alois P. Heinz, Mar 13 2014

Status

approved