545664domain: NAppears in sequencesTriangle of labeled mobiles (circular rooted trees) with n nodes and k leaves.at n=32A055349Number of labeled mobiles (circular rooted trees) with n nodes and 5 leaves.at n=2A055352Number of n X 3 0..1 arrays avoiding 0 0 0 and 0 0 1 horizontally and 0 0 1 and 1 1 1 vertically.at n=15A207584