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

A255096

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

Terms

    a(0) =179a(1) =539a(2) =1838a(3) =6110a(4) =20928a(5) =72639a(6) =250704a(7) =868395a(8) =3018347a(9) =10479598a(10) =36378224a(11) =126375034a(12) =439060517a(13) =1525204952a(14) =5298346147a(15) =18406546077a(16) =63945299048a(17) =222148717950a(18) =771751048840

External references