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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: A331826 A301306 A352617 * A374543 A000764 A205486
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 November 7 06:17 EST 2024. Contains 377523 sequences.
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