219013164449domain: NAppears in sequencesNumber of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock summing to 1 2 3 4 5 6 or 7.at n=10A251366Numbers of n-length words on alphabet {0,1,...,8} with no subwords ii, for i from {0,1}.at n=12A254598