Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
A258606
Number of (n+2)X(2+2) 0..2 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum less than the central column sum.
Terms
- a(0) =76729a(1) =567009a(2) =2729104a(3) =16806958a(4) =90782784a(5) =474650022a(6) =2276816656a(7) =10535922971a(8) =45716854225a(9) =193196028123a(10) =780713616400
External references
- oeis: A258606