Number of (n+1)X9 binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

A184070

Number of (n+1)X9 binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

Terms

    a(0) =160a(1) =529a(2) =5800a(3) =126978a(4) =4136338a(5) =116690636a(6) =2770530466a(7) =52431215293a(8) =815858815795

External references