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A168317
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Eigensequence of triangle A168316.
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2
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1, 1, 3, 6, 16, 39, 103, 263, 690, 1791, 4693, 12247, 32073, 83869, 219598, 574658, 1504540, 3938272, 10310703
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OFFSET
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1,3
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COMMENTS
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Conjectured convergent of a(n)/a(n-1) = phi^2 = 2.6180339... E.g.: a(19)/a(18) = 10310703/3938272 = 2.6180779....
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LINKS
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FORMULA
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Equals lim_{n->oo} M^2, the left shifted vector considered as a sequence where M = triangle A168316 as an infinite lower triangular matrix, then shifted down one row, and inserting a "1" at top.
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CROSSREFS
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KEYWORD
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eigen,nonn,more
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AUTHOR
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STATUS
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approved
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