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%I #11 Dec 15 2015 07:19:42
%S 1,3,6,10,13,15,16,18,21,25,28,30,31,33,36,40,43,45,46,48,51,55,58,60,
%T 61,63,66,70,73,75,76,78,81,85,88,90,91,93,96,100,103,105,106,108,111,
%U 115,118,120,121,123,126
%N Partial sums of A028356.
%H <a href="/index/Rec#order_05">Index entries for linear recurrences with constant coefficients</a>, signature (2,-1,-1,2,-1).
%F G.f.: ( 1+x+2*x^3+x^2 ) / ( (1+x)*(x^2-x+1)*(x-1)^2 ). - _R. J. Mathar_, Dec 15 2015
%Y Cf. A047401. - _Jeremy Gardiner_, Jul 20 2013.
%K nonn,easy
%O 0,2
%A _N. J. A. Sloane_.
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