Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally and vertically.
A254724
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally and vertically.
Terms
- a(0) =48168a(1) =364039a(2) =3438279a(3) =32264339a(4) =264545705a(5) =2224885924a(6) =18677147321a(7) =153918583667
External references
- oeis: A254724