Number of n X 2 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

A279574

Number of n X 2 0..2 arrays with no element equal to a strict majority of its horizontal and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =4a(2) =40a(3) =352a(4) =3008a(5) =25280a(6) =209792a(7) =1723392a(8) =14039040a(9) =113562624a(10) =913131520a(11) =7304519680a(12) =58170228736a(13) =461421658112

External references