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%I #9 Jun 13 2023 10:50:02
%S 0,0,0,0,3,7,15,26,42,63,90,123,165,214,273,341,420,510,612,726,855,
%T 997,1155,1328,1518,1725,1950,2193,2457,2740,3045,3371,3720,4092,4488,
%U 4908,5355,5827,6327,6854,7410
%N [ n(n-1)(n-2)/8 ].
%H <a href="/index/Rec#order_11">Index entries for linear recurrences with constant coefficients</a>, signature (3, -3, 1, 0, 0, 0, 0, 1, -3, 3, -1).
%F a(n) = +3*a(n-1) -3*a(n-2) +a(n-3) +a(n-8) -3*a(n-9) +3*a(n-10) -a(n-11). G.f.: x^4*(3-2*x+3*x^2-x^3+2*x^4+x^6) / ( (-1+x)^4*(1+x)*(1+x^2)*(1+x^4) ). [From _R. J. Mathar_, Apr 15 2010]
%K nonn
%O 0,5
%A _N. J. A. Sloane_.
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