236032domain: NAppears in sequencesTheta series of laminated lattice LAMBDA_12^{mid}.at n=7A006913Coefficient of q^3 in nu(n), where nu(0)=1, nu(1)=b and, for n>=2, nu(n)=b*nu(n-1)+lambda*(1+q+q^2+...+q^(n-2))*nu(n-2) with (b,lambda)=(1,2).at n=14A074354a(n) = A000196(A277699(A277807(n))).at n=25A277806