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Number of tilings of a stackable 8 sphinx tile shape.
3

%I #14 Jun 28 2017 23:47:39

%S 2,20,190,1896,19950,221720,2596498,31839772

%N Number of tilings of a stackable 8 sphinx tile shape.

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

%H Craig Knecht, <a href="/A287999/a287999_3.png">Example for sequence.</a>

%H Craig Knecht, <a href="/A287999/a287999_4.png">Sphinx tile classification.</a>

%H Craig Knecht, <a href="/A287999/a287999_2.png">Visual scan</a>

%Y Cf. A279887.

%K nonn,more

%O 0,1

%A _Craig Knecht_, Jun 04 2017