Number of n X 4 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

A279462

Number of n X 4 0..1 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with the exception of exactly one element, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =2a(1) =20a(2) =180a(3) =1722a(4) =15484a(5) =129914a(6) =1079792a(7) =8845592a(8) =71540206a(9) =572555634a(10) =4544198480a(11) =35814522446a(12) =280584310722

External references