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A332930 Number of polyominoes with n cells on the order-6 square tiling of the hyperbolic plane. 2
1, 1, 1, 2, 5, 16, 60, 255, 1193, 5862, 29875, 155995, 830539, 4489352, 24581675 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

The order-6 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, Order-6 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

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Last modified August 5 10:01 EDT 2021. Contains 346464 sequences. (Running on oeis4.)