76258

Appears in sequences

• Number of ways to place 3 nonattacking kings on a 3 X n board.at n=27A172202
• 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=11A187611
• Number A(n,k) of initially rising meander words, where each letter of the cyclic k-ary alphabet occurs n times; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=60A209349
• Number of initially rising meander words, where each letter of the cyclic 5-ary alphabet occurs n times.at n=5A209351
• a(0)=0; thereafter a(n) = A002705(n) - 2.at n=5A262585
• In an n X n grid draw straight walls between cells, starting at a border, such that the resulting figure is connected and has only one-cell wide paths; a(n) is the number of solutions distinct under reflections and rotations.at n=5A375770