140386

Appears in sequences

• Number of 7-step one space for components leftwards or up, two space for components rightwards or down asymmetric quasi-bishop's tours (antidiagonal moves become knight moves) on an n X n board summed over all starting positions.at n=13A187611
• a(1)=0; for n>1, a(n) = 4*n^3 - 3*n^2 - 3*n + 4.at n=32A296363