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A103467
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Number of polyominoes without holes consisting of n regular unit 9-gons.
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8
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1, 1, 3, 14, 82, 585, 4418, 34838, 280014, 2285047, 18838395, 156644526, 1311575691
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,3
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REFERENCES
| Matthias Koch and Sascha Kurz, Enumeration of generalized polyominoes, preprint, http://de.arXiv.org/abs/math.CO/0605144
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LINKS
| S. Kurz, k-polyominoes.
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CROSSREFS
| Cf. A000577, A000104, A000228, A103465, A103466, A103468.
Cf. A000577, A000104, A000228, A103465, A103466, A103468, A103469, A103470, A103471, A103472, A103473, A115071, A120102, A120103, A120104.
Sequence in context: A032080 A194091 A020104 * A121687 A154757 A074535
Adjacent sequences: A103464 A103465 A103466 * A103468 A103469 A103470
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KEYWORD
| more,nonn
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AUTHOR
| Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Feb 07 2005
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EXTENSIONS
| More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jun 09 2006
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