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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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A289941 Number of tilings of n interlocking sphinx tiled shape subunits.

Original entry on oeis.org

18, 444, 11700, 320640, 9012060, 257487624
Offset: 1

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Author

Craig Knecht, Jul 15 2017

Keywords

Comments

The shape for this sequence attempts to find a connection between the unique geometry of the sphinx tile and a polymerization process.
The number of tilings of a stackable sphinx tiled shape has previously been described A287999.
In contrast to the stackable shape this shape is interlocking.
This shape has one female and three male parts.
The properties of this shape that inhibit different polymerizations are noted.
The various polymer configurations from a central nucleus are shown.

Links

Crossrefs

Cf. A067411, A279887, A287999.
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