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A393722
Number of free polyominoes in the {3,8} tessellation of the hyperbolic plane.
0
1, 1, 1, 3, 4, 12, 27, 82, 224, 708, 2158, 6950, 22315, 73221, 241386, 804944, 2699671, 9121604
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
Table of n, a(n) for n=1..18.
Wikipedia, Order 8 triangular tiling.
CROSSREFS
Cf. A330659, A000207.
Sequence in context: A255436 A197459 A330659 * A000207 A002986 A147569
Adjacent sequences: A393719 A393720 A393721 * A393723 A393724 A393725
KEYWORD
nonn,more
AUTHOR
John Mason, Érika Roldán, and Rosemberg Toalá-Enríquez, Feb 26 2026
STATUS
approved

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Last modified May 22 03:39 EDT 2026. Contains 395813 sequences.
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