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%I #6 Jan 12 2023 16:29:09
%S 1,22,64,127,211,316,442,589,757,946,1156,2467,3979,5692,7606,9721,
%T 12037,14554,17272,20191,23311,26632,30154,33877,37801,41926,46252,
%U 50779,55507,60436,65566,70897,76429,82162,88096,94231,100567,107104
%N Sum of the n-th row of A077339.
%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (3,-3,1).
%F For n>10, a(n) = 1/2 * (201n^2 - 2001n + 2).
%F From _Chai Wah Wu_, Jan 12 2023: (Start)
%F a(n) = 3*a(n-1) - 3*a(n-2) + a(n-3) for n > 13.
%F G.f.: x*(900*x^12 - 1080*x^11 - x^2 - 19*x - 1)/(x - 1)^3. (End)
%Y Not the same as A069178 (A069178(12)=1387 <> 2467=a(12) ). Cf. A077339, A077340.
%K base,easy,nonn
%O 1,2
%A _Amarnath Murthy_, Apr 01 2003
%E More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 19 2003
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