Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254557
Number of (5+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =170504a(1) =443179a(2) =1191782a(3) =3450189a(4) =8246808a(5) =22508196a(6) =59892062a(7) =165385452a(8) =447994455a(9) =1233098106a(10) =3358246607a(11) =9233403548a(12) =25332168892a(13) =69690076249a(14) =191199913388a(15) =524626265145
External references
- oeis: A254557