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Search: id:A103464
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| A103464 |
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Number of polyominoes consisting of n regular unit 7-gons. |
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+0
1
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| 1, 1, 2, 7, 25, 118, 558, 2876, 14982, 80075, 431889, 2354991, 12930257, 71459124, 396978189, 2215609864
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OFFSET
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3,3
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REFERENCES
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Matthias Koch and Sascha Kurz, Enumeration of generalized polyominoes, preprint, http://de.arXiv.org/abs/math.CO/0605144
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CROSSREFS
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Cf. A000577, A000104, A000228, A103466, A103467, A103468, A103469, A103470, A103471, A103472, A103473, A120102, A120103, A120104.
Sequence in context: A150535 A076176 A103465 this_sequence A018980 A012990 A166487
Adjacent sequences: A103461 A103462 A103463 this_sequence A103465 A103466 A103467
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KEYWORD
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nonn
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AUTHOR
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Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jun 09 2006
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