Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

A293099

Number of n X 7 0..1 arrays with the number of 1's horizontally, diagonally or antidiagonally adjacent to some 0 two less than the number of 0's adjacent to some 1.

Terms

    a(0) =3a(1) =2220a(2) =205195a(3) =24773296a(4) =2728695681a(5) =328979478088

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