Number of (n+2)X5 0..2 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.

A187282

Number of (n+2)X5 0..2 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum.

Terms

    a(0) =20529a(1) =71745a(2) =3995709a(3) =67503191a(4) =1974830613a(5) =45488959473

External references