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A103464
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Number of polyominoes consisting of n regular unit 7-gons.
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0
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1, 1, 2, 7, 25, 118, 558, 2876, 14982, 80075, 431889, 2354991, 12930257, 71459124, 396978189, 2215609864
(list; graph; refs; listen; history; internal format)
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OFFSET
| 3,3
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LINKS
| Matthias Koch and Sascha Kurz, Enumeration of generalized polyominoes, preprint.
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CROSSREFS
| Cf. A000577, A000104, A000228, A103466, A103467, A103468, A103469, A103470, A103471, A103472, A103473, A120102, A120103, A120104.
Sequence in context: A076176 A188719 A103465 * A018980 A012990 A137102
Adjacent sequences: A103461 A103462 A103463 * A103465 A103466 A103467
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KEYWORD
| nonn,more
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AUTHOR
| Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jun 09 2006
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