8036625domain: NAppears in sequencesNumber of n X 2 0..2 arrays with every 0 next to a 1 and every 1 next to a 2 horizontally, diagonally or antidiagonally.at n=8A232145E.g.f. satisfies A(x) = exp( x * exp(x^2/2) * A(x) ).at n=8A362660