%I #6 Aug 30 2017 09:36:54
%S 1,-1,1,-4,13,-36,100,-281,797,-2281,6546,-18778,53872,-154662,444263,
%T -1276284,3665773,-10524939,30203731,-86624174,248257298,-710882708,
%U 2033663952,-5811660425,16588828304,-47291077636,134630218334,-382697080366,1086083438999
%N Main diagonal of A291701.
%F a(n) = [x^n] (1 - x/(1 - x^2/(1 - x^3/(1 - x^4/(1 - x^5/(1 - ...))))))^n, a continued fraction.
%Y Cf. A291701.
%K sign
%O 0,4
%A _Seiichi Manyama_, Aug 30 2017