Number of 4Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

A281805

Number of 4Xn 0..1 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =34a(2) =324a(3) =1916a(4) =12318a(5) =71290a(6) =396185a(7) =2143364a(8) =11250451a(9) =57853036a(10) =292724002a(11) =1458437418a(12) =7182757280a(13) =35002131964a(14) =169019645294a(15) =809806421452

External references