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%I #8 Aug 09 2015 12:33:18
%S 5,11,20,33,52,78,111,152,203,265,338,423,522,636,765,910,1073,1255,
%T 1456,1677,1920,2186,2475,2788,3127,3493,3886,4307,4758,5240,5753,
%U 6298,6877,7491,8140,8825,9548,10310,11111,11952,12835,13761,14730,15743,16802,17908,19061,20262,21513,22815,24168
%N a(n) = (d(n)-r(n))/2, where d = A026037 and r is the periodic sequence with fundamental period (1,0,0,1).
%H <a href="/index/Rec#order_06">Index entries for linear recurrences with constant coefficients</a>, signature (4,-7,8,-7,4,-1).
%F G.f. x^3*( 5-9*x+11*x^2-10*x^3+7*x^4-2*x^5 ) / ( (x^2+1)*(x-1)^4 ). - _R. J. Mathar_, Jun 22 2013
%K nonn
%O 3,1
%A _Clark Kimberling_
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