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A067675
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Number of fixed convex polyominoes with n cells.
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7
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1, 2, 6, 19, 59, 176, 502, 1374, 3630, 9312, 23320, 57279, 138536, 331032, 783630, 1841867, 4306172, 10028276, 23288394, 53974959, 124925967, 288878550, 667602492, 1542254655, 3562000916, 8225719574
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OFFSET
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1,2
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LINKS
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FORMULA
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a(n) ~ c * d^n, where d = A276994 = 2.309138593330494731098720305017212531911814472581628401694402900284456440748..., c = 2.91959850971360705538470951565133568591516894147305658630679268977185945... . - Vaclav Kotesovec, Sep 27 2016
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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