%I A025495
%S A025495 1,2,12,44,100,203,344,558,824,1189,1620,2176,2812,3599,4480,5538,6704,
%T A025495 8073,9564,11284,13140,15251,17512,20054,22760,25773,28964,32488,36204,
%U A025495 40279,44560,49226,54112,59409,64940,70908,77124,83803,90744,98174
%N A025495 Probable extension of A013704.
%F A025495 For n >= 9, a(n) = 3*a(n-1)-a(n-2)-5*a(n-3)+5*a(n-4)+a(n-5)-3*a(n-6)+a(n-7).
%F A025495 O.g.f.: (x^7-x^6+3x^5+7x^4+22x^3+7x^2+1)/((1+x)^2*(x-1)^4) . - R. J. 
               Mathar (mathar(AT)strw.leidenuniv.nl), May 28 2008
%Y A025495 Sequence in context: A055681 A111389 A013704 this_sequence A028570 A009074 
               A066258
%Y A025495 Adjacent sequences: A025492 A025493 A025494 this_sequence A025496 A025497 
               A025498
%K A025495 nonn,easy
%O A025495 0,2
%A A025495 David W. Wilson (davidwwilson(AT)comcast.net)