Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically.
A254300
Number of (n+2)X(2+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically.
Terms
- a(0) =2812a(1) =18098a(2) =93326a(3) =460326a(4) =2313072a(5) =11552577a(6) =57873415a(7) =290073742a(8) =1451688456a(9) =7262959692a(10) =36306895375a(11) =181350169411a(12) =905256006521
External references
- oeis: A254300