Number of (7+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A257432
Number of (7+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =1700100a(1) =4098078a(2) =11883298a(3) =36058660a(4) =96141548a(5) =317271378a(6) =1037269100a(7) =3132168159a(8) =9367464149a(9) =27528765545a(10) =76077345023a(11) =212817553945a(12) =593399397630
External references
- oeis: A257432