928000domain: NAppears in sequencesNumbers n such that n = k/d(k) has exactly 5 solutions, where d(k) = number of divisors of k.at n=7A217126Number of (n+2) X (1+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000001 00000011 or 00000101.at n=12A259994