Number of nX2 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one.

A200803

Number of nX2 0..2 arrays with no average of any element and its diagonal, antidiagonal, horizontal and vertical neighbors equal to one.

Terms

    a(0) =6a(1) =62a(2) =378a(3) =2758a(4) =21028a(5) =152410a(6) =1123856a(7) =8320912a(8) =61313142a(9) =452500906a(10) =3340771202a(11) =24653586076a(12) =181959666062

External references