Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254809
Number of (6+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =618856a(1) =1478353a(2) =3633517a(3) =11139423a(4) =34629826a(5) =96309005a(6) =253515215a(7) =546611324a(8) =1453718727a(9) =3872678172a(10) =10934893149a(11) =29405854211a(12) =82990838418a(13) =235773962736a(14) =678424563839
External references
- oeis: A254809