376806domain: NAppears in sequencesNumber of length 7+4 0..n arrays with every five consecutive terms having two times the sum of some three elements equal to three times the sum of the remaining two.at n=8A248994G.f. satisfies A(x) = 1 + x*A(x)^2 * (1 + x*A(x)^2)^3.at n=8A367285