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

A259011

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

Terms

    a(0) =330684a(1) =263417a(2) =191035a(3) =174655a(4) =210946a(5) =292814a(6) =390714a(7) =533771a(8) =758616a(9) =1186813a(10) =1933322a(11) =3197780a(12) =5530284a(13) =9922590a(14) =17959560a(15) =32374598a(16) =58050493a(17) =103106308a(18) =180570323a(19) =311315383a(20) =528596275a(21) =884088170a(22) =1456631403a(23) =2365347197

External references