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A329511 Expansion of (1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x). 1

%I

%S 1,3,6,9,11,11,10,9,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,

%T 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,

%U 8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8,8

%N Expansion of (1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x).

%F a(n) = 8 for n >= 8.

%o (PARI) Vec((1 + x)*(1 + x^2)^2*(1 + x - x^3) / (1 - x) + O(x^80)) \\ _Colin Barker_, Nov 23 2019

%Y Row 4 of array in A329508.

%K nonn,easy

%O 0,2

%A _N. J. A. Sloane_, Nov 22 2019

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Last modified February 26 21:58 EST 2020. Contains 332295 sequences. (Running on oeis4.)