Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order.

A216030

Number of horizontal, vertical and diagonal neighbor colorings of the odd squares of an nX7 array with new integer colors introduced in row major order.

Terms

    a(0) =2a(1) =136a(2) =7050a(3) =5219070a(4) =1355988481

External references