Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum.

A258543

Number of (n+2)X(6+2) 0..1 arrays with no 3x3 subblock diagonal sum less than the antidiagonal sum or central row sum equal to the central column sum.

Terms

    a(0) =77284a(1) =241081a(2) =381924a(3) =996004a(4) =1784896a(5) =4359744a(6) =8773444a(7) =21372129a(8) =47499664a(9) =118113424a(10) =282307204a(11) =717007729a(12) =1791151684a(13) =4613533929a(14) =11803953316a(15) =30651955929a(16) =79385316516a(17) =207027730009a(18) =539328672100

External references