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%I #9 Jan 22 2023 09:16:21
%S 1,1,3,6,16,39,103,263,690,1791,4693,12247,32073,83869,219598,574658,
%T 1504540,3938272,10310703
%N Eigensequence of triangle A168316.
%C Conjectured convergent of a(n)/a(n-1) = phi^2 = 2.6180339... E.g.: a(19)/a(18) = 10310703/3938272 = 2.6180779....
%F 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.
%Y Cf. A104457, A168316, A168318.
%K eigen,nonn,more
%O 1,3
%A _Gary W. Adamson_, Nov 22 2009
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