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%I #12 Apr 04 2019 14:32:09
%S 1,4,10,19,32,50,77,108,142,183,233,291,352,416,491,572,654,739,839,
%T 943,1046,1152,1277,1404,1528,1655,1805,1955,2100,2248,2423,2596,2762,
%U 2931,3131,3327,3514,3704,3929,4148,4356,4567,4817,5059,5288,5520,5795,6060
%N Partial sums of A307270.
%C Computed by _Davide M. Proserpio_ using ToposPro, Apr 01 2019
%H Rémy Sigrist, <a href="/A307276/b307276.txt">Table of n, a(n) for n = 0..1000</a>
%F Conjectures from _Colin Barker_, Apr 04 2019: (Start)
%F G.f.: (1 + 3*x + 6*x^2 + 9*x^3 + 11*x^4 + 12*x^5 + 15*x^6 + 13*x^7 + 9*x^8 + 8*x^9 + 2*x^10 + 5*x^11 + 6*x^12 + 2*x^14 - 4*x^15 - 6*x^16 - 2*x^17) / ((1 - x)^3*(1 + x)^2*(1 + x^2)^2).
%F a(n) = a(n-1) + 2*a(n-4) - 2*a(n-5) - a(n-8) + a(n-9) for n>17.
%F (End)
%Y Cf. A307270.
%K nonn
%O 0,2
%A _N. J. A. Sloane_, Apr 02 2019
%E More terms from _Rémy Sigrist_, Apr 04 2019
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