Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 3 and no antidiagonal sum 3 and no row sum 0 and no column sum 0.

A256743

Number of (n+2)X(3+2) 0..1 arrays with no 3x3 subblock diagonal sum 3 and no antidiagonal sum 3 and no row sum 0 and no column sum 0.

Terms

    a(0) =857a(1) =1564a(2) =2992a(3) =3752a(4) =9112a(5) =16560a(6) =38376a(7) =61376a(8) =135552a(9) =202832a(10) =517472a(11) =837568a(12) =2004832a(13) =3082192a(14) =7494688a(15) =11500352a(16) =29366208a(17) =44880848a(18) =112714720a(19) =169674112a(20) =434165792a(21) =652380752a(22) =1696204320a(23) =2515078784a(24) =6570529664a(25) =9672961104

External references