5366312domain: NAppears in sequences1/12 the number of (n+2)X4 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.at n=6A184500T(n,k)=1/12 the number of (n+2)X(k+2) 0..2 arrays with each 3X3 subblock containing one of one value, three of another, and five of the last.at n=29A184505