Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

A216027

Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX4 array with new integer colors introduced in row major order.

Terms

    a(0) =1a(1) =5a(2) =29a(3) =371a(4) =6150a(5) =167130a(6) =5219070a(7) =233834847a(8) =11412814314a(9) =741757937068

External references