Number of (n+1) X (3+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

A235444

Number of (n+1) X (3+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing rowwise and columnwise.

Terms

    a(0) =208a(1) =2476a(2) =28962a(3) =335898a(4) =3886120a(5) =44920240a(6) =519099694a(7) =5998218844a(8) =69307887110a(9) =800828757910

External references