Number of (n+2) X (4+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.

A257443

Number of (n+2) X (4+2) 0..1 arrays with no 3 x 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 1 and no column sum 1.

Terms

    a(0) =49a(1) =51a(2) =59a(3) =71a(4) =89a(5) =116a(6) =155a(7) =212a(8) =296a(9) =419a(10) =599a(11) =863a(12) =1250a(13) =1817a(14) =2648a(15) =3866a(16) =5651a(17) =8267a(18) =12101a(19) =17720a(20) =25955a(21) =38024a(22) =55712a(23) =81635a(24) =119627a(25) =175307a(26) =256910a(27) =376505a(28) =551780a(29) =808658

External references