115080

Appears in sequences

• Number of ways to place 2 nonattacking kings on an n X n board.at n=22A061995
• Triangle read by rows: T(n,k) = number of permutations p of [n] such that max(|p(i)-i|)=k (n>=1, 0<=k<=n-1).at n=43A130152
• Number of permutations p of [n] such that max_{j=1..n} |p(j)-j| = 7.at n=2A323803
• Number of non-equivalent ways under symmetry in one axis that 2 non-attacking kings of different colors can be placed on an n X n board.at n=21A357740