259676

Appears in sequences

• Number of permutations of [n] with exactly eight (possibly overlapping) occurrences of the generalized pattern 12-3.at n=4A264457
• Given the associative array U(n,k) described below, numbers m > 5 such that [m-3..m+3] are not in U(n,k) (excluding the first row and column).at n=29A345473