Number of 3Xn 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

A241330

Number of 3Xn 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

Terms

    a(0) =5a(1) =85a(2) =2344a(3) =68935a(4) =2034543a(5) =60066019a(6) =1773370241a(7) =52356524981

External references