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A120647 Number of 3-anisohedral polyominoes of order n. 0
0, 0, 0, 0, 0, 0, 0, 0, 0, 3, 18, 6, 24, 24, 49, 46, 60, 42, 85, 86, 199, 135, 149, 324, 182 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

LINKS

Table of n, a(n) for n=1..25.

Joseph Myers, Polyomino tiling

CROSSREFS

Sequence in context: A082057 A161687 A245498 * A131635 A007475 A281791

Adjacent sequences:  A120644 A120645 A120646 * A120648 A120649 A120650

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Aug 18 2006

EXTENSIONS

Adjusted to offset 1 and a(24) and a(25) added by Joseph Myers, Nov 17 2010

STATUS

approved

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Last modified February 16 21:59 EST 2019. Contains 320200 sequences. (Running on oeis4.)