Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
A254482
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =1964388a(1) =6557179a(2) =22624962a(3) =86663046a(4) =191995191a(5) =540249256a(6) =1553637600a(7) =4193549493a(8) =11469180519a(9) =30648695723a(10) =78094397048a(11) =199468025401a(12) =514014239339
External references
- oeis: A254482