43248

Appears in sequences

• Number of ways to place two nonattacking queens on an n X n board.at n=17A036464
• The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!).at n=23A143943
• a(n) = 64*n^2 - 16.at n=25A157913
• a(n) = 169*n^2 - n.at n=15A157998
• a(n) = 676*n^2 - 2*n.at n=7A158392
• a(n) = 256*n^2 - 16.at n=12A158562
• Number of (n+1)X6 0..2 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order.at n=1A205623
• T(n,k)=Number of (n+1)X(k+1) 0..2 arrays with every 2X2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order.at n=16A205626
• Number of 3 X (n+1) 0..2 arrays with every 2 X 2 subblock in a row having an equal number of equal diagonal or equal antidiagonal elements, adjacent rows differing in this number, and new values 0..2 introduced in row major order.at n=4A205627
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 998", based on the 5-celled von Neumann neighborhood.at n=43A273857