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%I #3 Mar 30 2012 18:51:57
%S 0,0,1,2,3,6,15,30,55,110,231,462,903,1806,3655,7310,14535,29070,
%T 58311,116622,232903,465806,932295,1864590,3727815,7455630,14913991,
%U 29827982,59650503
%N Mix A084175 and 2*A084175.
%F O.g.f.: x^2/((2*x-1)(x-1)(1+x)(1+2*x^2)). a(2n) = A084175(n). a(2n+1)=2*A084175(n). a(n) = 2a(n-1) -a(n-2) +2a(n-3) +2a(n-4) -4a(n-5). - _R. J. Mathar_, May 19 2008
%K nonn
%O 0,4
%A _Paul Curtz_, May 18 2008
%E More terms from _R. J. Mathar_, May 19 2008
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