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A239270 Number of domicule tilings of an 8 X n grid. 2
1, 1, 171, 4945, 331133, 17508475, 1017093992, 57228320561, 3263262629905, 185175369431551, 10529540995776143, 598275977865042347, 34004634498887815603, 1932504421503220832048, 109831420296006021851427, 6242000703148139096486777, 354752087455830720672222391 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

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..500

CROSSREFS

Column k=8 of A239264.

Sequence in context: A016058 A332418 A152926 * A262142 A206595 A127959

Adjacent sequences:  A239267 A239268 A239269 * A239271 A239272 A239273

KEYWORD

nonn

AUTHOR

Alois P. Heinz, Mar 13 2014

STATUS

approved

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Last modified August 11 00:55 EDT 2022. Contains 356046 sequences. (Running on oeis4.)