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A109540 a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+2*a(n-7)+a(n-8). 0

%I #2 Mar 30 2012 17:34:19

%S 1,1,1,1,1,1,1,1,8,8,15,22,36,57,92,155,246,400,645,1044,1688,2731,

%T 4425,7155,11579,18733,30311,49043,79353,128402,207754,336155,543908,

%U 880062,1423969,2304030,3728005,6032034,9760038,15792071,25552108,41344178

%N a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+2*a(n-7)+a(n-8).

%t F[1] = 1; F[2] = 1; F[3] = 1; F[4] = 1; F[5] = 1; F[6] = 1; F[7] = 1; F[8] = 1; F[n__] := F[n] = F[n - 2] + F[n - 3] + F[n - 4] + F[n - 5] + F[n - 6] + 2*F[n - 7] + F[n - 8] aa = Table[F[n], {n, 1, 50}]

%K nonn

%O 0,9

%A _Roger L. Bagula_, Jun 20 2005

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