%I #16 Jun 13 2015 00:53:13
%S 0,0,1,-3,7,-13,23,-41,79,-161,335,-689,1391,-2769,5487,-10897,21743,
%T -43537,87279,-174865,349935,-699665,1398511,-2795793,5590767,
%U -11182353,22367983,-44740881,89485039,-178966801,357920495,-715821329,1431629551,-2863272209,5726596847
%N Inverse binomial transform of A181586.
%C A181586(n) and successive differences:
%C 0, 0, 1, 0, 1, 2,
%C 0, 1, -1, 1, 1, 3,
%C 1, -2, 2, 0, 2, 0,
%C -3, 4, -2, 2, -2, 6,
%C 7, -6, 4, -4, 8, -4,
%C -13, 10, -8, 12, -12, 12.
%C First column is a(n).
%H <a href="/index/Rec">Index entries for linear recurrences with constant coefficients</a>, signature (-3,-2,2,4).
%F a(n+2)=( (2*a(n)+A077950(n)) signed)
%F a(n)-a(n-1) = (-1)^n*A000749(n+2).
%F G.f. -x^2 / ( (x-1)*(2*x+1)*(2*x^2+2*x+1) ). - R. J. Mathar, Feb 06 2011
%K sign,easy
%O 0,4
%A _Paul Curtz_, Jan 31 2011