165251domain: NAppears in sequencesNumbers n such that Sum_{q|n} 0.q is an integer where q ranges over the aliquot parts of n.at n=26A276699Number of nX5 0..1 arrays with every element equal to 1, 2 or 4 horizontally, vertically or antidiagonally adjacent elements, with upper left element zero.at n=9A300432