Number of nX4 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

A281932

Number of nX4 0..1 arrays with no element equal to more than four of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.

Terms

    a(0) =0a(1) =6a(2) =312a(3) =6304a(4) =105766a(5) =1488168a(6) =19173138a(7) =233189094a(8) =2717934337a(9) =30694746766a(10) =338284153075

External references