77732

Appears in sequences

• Number of nX5 0..4 arrays with each element equal to the number its horizontal and vertical neighbors unequal to itself.at n=16A195959
• Number T(n,k) of permutations p of [n] such that |{ j : |p(j)-j| = 1 }| = k; triangle T(n,k), n >= 0, 0 <= k <= n, read by rows.at n=60A320582