

A343398


Number of generalized polyforms on the trihexagonal tiling with n cells.


13



1, 2, 1, 4, 9, 30, 97, 373, 1405, 5630, 22672, 93045, 384403, 1602156, 6712128, 28268504
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OFFSET

0,2


COMMENTS

This sequence counts "free" polyforms where holes are allowed. This means that two polyforms are considered the same if one is a rigid transformation (translation, rotation, reflection or glide reflection) of the other.


LINKS



CROSSREFS

Same but distinguishing mirror images: A350739.
Analogous for other tilings: A000105 (square), A000228 (hexagonal), A000577 (triangular), A197156 (prismatic pentagonal), A197159 (floret pentagonal), A197459 (rhombille), A197462 (kisrhombille), A197465 (tetrakis square), A309159 (snub square), A343406 (truncated hexagonal), A343577 (truncated square).


KEYWORD

nonn,more,hard


AUTHOR



EXTENSIONS



STATUS

approved



