Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254559
Number of (7+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) =1964388a(1) =4537801a(2) =10616893a(3) =27729322a(4) =59711718a(5) =159929222a(6) =479026957a(7) =1334951110a(8) =3821527067a(9) =10456814300a(10) =27133126461a(11) =69996188662a(12) =182153903591a(13) =475965650328
External references
- oeis: A254559