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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
OFFSET
1,4
CROSSREFS
Sequence in context: A255436 A197459 A330659 * A000207 A002986 A147569
KEYWORD
nonn,more
AUTHOR
John Mason, Érika Roldán, and Rosemberg Toalá-Enríquez, Feb 26 2026
STATUS
approved