70998

Appears in sequences

• a(n) = A135574(3*n) + A135574(3*n+1) + A135574(3*n+2).at n=5A137223
• Number of 4-step one space leftwards or up, two space rightwards or down asymmetric rook's tours on an n X n board summed over all starting positions.at n=36A187299