Number of nX3 0..5 arrays with values 0..5 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.

A198622

Number of nX3 0..5 arrays with values 0..5 introduced in row major order and each element equal to at least one horizontal or vertical neighbor.

Terms

    a(0) =1a(1) =14a(2) =185a(3) =3904a(4) =98330a(5) =3003238a(6) =102181788a(7) =3756159287a(8) =143881181753

External references