Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

A238067

Number of (n+1)X(3+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.

Terms

    a(0) =10700a(1) =157404a(2) =2296588a(3) =27034844a(4) =363809888a(5) =4856507148a(6) =69678083388a(7) =867711409148

External references