3530858domain: NAppears in sequences1/12 the number of (n+2)X(n+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.at n=4A1844981/12 the number of (n+2)X7 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.at n=4A184503