887305domain: NAppears in sequencesTriangle read by rows: T(n,k) is the number of bicolored cubic graphs on 2n unlabeled vertices with k vertices of the first color, n >= 0, 0 <= k <= 2*n.at n=56A361361Number of bicolored cubic graphs on 2n unlabeled vertices with n vertices of each color.at n=7A361409