

A332930


Number of polyominoes with n cells on the order6 square tiling of the hyperbolic plane.


2



1, 1, 1, 2, 5, 16, 60, 255, 1193, 5862, 29875, 155995, 830539, 4489352, 24581675
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OFFSET

0,4


COMMENTS

The order6 square tiling has Schläfli symbol {4,6}.
This sequence is computed from via program by Christian Sievers in the Code Golf Stack Exchange link.


LINKS

Table of n, a(n) for n=0..14.
Code Golf Stack Exchange, Impress Donald Knuth by counting polyominoes on the hyperbolic plane
Wikipedia, Order6 square tiling
Wikipedia, Polyomino


PROG

Several programs are available via the Code Golf link.


CROSSREFS

Analogs with different Schläfli symbols are A000105 ({4,4}), A000207 ({3,oo}), A000577 ({3,6}), A005036 ({4,oo}), A119611 ({4,5}), and A330659 ({3,7}).
Sequence in context: A307771 A331826 A301306 * A000764 A205486 A210668
Adjacent sequences: A332927 A332928 A332929 * A332931 A332932 A332933


KEYWORD

nonn,more,hard


AUTHOR

Peter Kagey, Mar 02 2020


EXTENSIONS

a(9)a(14) from Ed Wynn, Feb 16 2021


STATUS

approved



