64393056

Appears in sequences

• Number of non-attacking placements of 3 rooks on an n X n board.at n=27A179058
• Number of nX1 0..1 arrays with the counts of all possible adjacent horizontal and vertical pair sum values being within one of each other.at n=32A203631
• Number of minimum total dominating sets in the n X n rook complement graph.at n=27A303212