2580754

Appears in sequences

• Number of ways to place 4n nonattacking kings on an 8 X 2n chessboard.at n=4A173782
• Number of ways to place 5n nonattacking kings on a 10 X 2n chessboard.at n=3A173783
• Array read by antidiagonals: T(m,n) is the number of maximum independent sets in the 2m X 2n king graph.at n=49A350819
• Array read by antidiagonals: T(m,n) is the number of maximum independent sets in the 2m X 2n king graph.at n=50A350819