104335domain: NAppears in sequencesE.g.f.: -1 + exp(( 1 - sqrt(5 - 4*exp(x)) )/2).at n=6A118795Number of (n+2) X 7 0..2 arrays with every 3 X 3 subblock commuting with each horizontal and vertical neighbor 3 X 3 subblock.at n=10A186564