Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal or antidiagonal neighbor equal to 4-1.

A265858

Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any horizontal or antidiagonal neighbor equal to 4-1.

Terms

    a(0) =24a(1) =248a(2) =3344a(3) =74416a(4) =1738864a(5) =50328912a(6) =1456019664a(7) =45181803312

External references