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A287999 Number of tilings of a stackable 8 sphinx tile shape. 3
2, 20, 190, 1896, 19950, 221720, 2596498, 31839772 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Long narrow frames such as these are a good place to search for small symmetric sphinx tiled shapes.

LINKS

Table of n, a(n) for n=0..7.

Craig Knecht, Example for sequence.

Craig Knecht, Sphinx tile classification.

Craig Knecht, Visual scan

CROSSREFS

Cf. A279887.

Sequence in context: A125857 A226312 A171076 * A001078 A299865 A001253

Adjacent sequences:  A287996 A287997 A287998 * A288000 A288001 A288002

KEYWORD

nonn,more

AUTHOR

Craig Knecht, Jun 04 2017

STATUS

approved

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Last modified September 19 09:18 EDT 2018. Contains 315192 sequences. (Running on oeis4.)