Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.

A251129

Number of (n+1)X(n+1) 0..2 arrays with no 2X2 subblock having the sum of its diagonal elements greater than the maximum of its antidiagonal elements.

Terms

    a(0) =40a(1) =416a(2) =1997a(3) =8008a(4) =25597a(5) =79226a(6) =223663a(7) =620524a(8) =1653313a(9) =4340190a(10) =11150995a(11) =28282512a(12) =70727013a(13) =174943234a(14) =428129015a(15) =1038115892

External references