194916

Appears in sequences

• Number of 4-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=9A187852
• The number of meandering curves of order n, with only one extremity covered by its arcs.at n=12A217310
• 27-gonal pyramidal numbers: a(n) = n*(n+1)*(25*n-22)/6.at n=36A256647