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 A173497 a(n) = a(n-1) + a(n-2) - Floor[a(n-2)/2], starting 2,1. 2

%I

%S 2,1,2,3,4,6,8,11,15,21,29,40,55,75,103,141,193,264,361,493,674,921,

%T 1258,1719,2348,3208,4382,5986,8177,11170,15259,20844,28474,38896,

%U 53133,72581,99148,135439,185013,252733,345240,471607,644227,880031

%N a(n) = a(n-1) + a(n-2) - Floor[a(n-2)/2], starting 2,1.

%C The limiting ratio is a(n+1)/a(n):1.36602540378443

%F a(n)=a(n-1)+a(n-2)-Floor[a(n-2)/2].

%t l[0] = 2; l[1] = 1;

%t l[n_] := l[n] = l[n - 1] + l[n - 2] - Floor[l[n - 2]/2]

%t Table[l[n], {n, 0, 30}]

%Y Cf. A064323,A000032.

%K nonn

%O 0,1

%A _Roger Bagula_, Nov 23 2010

%E More terms from _Max Alekseyev_, Jun 18 2011

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