|
%I #11 Apr 15 2020 15:35:25
%S 1,1,1,-3,7,-11,17,-27,45,-75,123,-199,321,-519,841,-1363,2207,-3571,
%T 5777,-9347,15125,-24475,39603,-64079,103681,-167759,271441,-439203,
%U 710647,-1149851,1860497,-3010347,4870845,-7881195,12752043,-20633239
%N Shifts left two places under BIN1 transform.
%F BIN1 sends a to b where b(n) = (-1)^n Sum_{i=0..n} C(n+1, i+1) a(i).
%F G.f.: (x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)). [sign corrected by _Georg Fischer_, Apr 15 2020]
%t CoefficientList[Series[(x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)), {x, 0, 45}], x] (* _Georg Fischer_, Apr 15 2020 *)
%K sign,eigen
%O 0,4
%A _Christian G. Bower_, Jan 09 2000
|
