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 A109539 a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+a(n-7)+a(n-8). 0

%I

%S 1,1,1,1,1,1,1,1,7,7,13,19,31,49,79,127,205,325,523,835,1339,2143,

%T 3433,5497,8803,14095,22573,36145,57883,92689,148429,237685,380617,

%U 609499,976021,1562947,2502823,4007887,6418021,10277479,16457815,26354677

%N a(n) = a(n-2)+a(n-3)+a(n-4)+a(n-5)+a(n-6)+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] + 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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Last modified March 28 08:28 EDT 2023. Contains 361585 sequences. (Running on oeis4.)