Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254012
Number of (n+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =512a(1) =7212a(2) =89310a(3) =1016249a(4) =3486340a(5) =12820652a(6) =45398628a(7) =102538840a(8) =261881432a(9) =773696684a(10) =1940850378a(11) =4904675739a(12) =13916479182a(13) =35276177013
External references
- oeis: A254012