356056domain: NAppears in sequencesEuler transform of powers of 2 [ 2,4,8,16,... ].at n=13A034899Number of (n+2) X 8 0..2 arrays with every 3 X 3 subblock having three equal elements in a row horizontally, vertically or nw-to-se diagonally exactly three ways, and new values 0..2 introduced in row major order.at n=10A204368