Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

A255754

Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the medians of the diagonal and antidiagonal minus the two sums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

Terms

    a(0) =293012a(1) =386060a(2) =341801a(3) =371616a(4) =360501a(5) =473630a(6) =733081a(7) =1166662a(8) =1720217a(9) =3169356a(10) =6568657a(11) =12211026a(12) =19689657a(13) =40611648a(14) =92377017a(15) =178040632a(16) =292586745a(17) =618865560a(18) =1437213809a(19) =2789956224a(20) =4602903185a(21) =9790126112a(22) =22844752297

External references