460020domain: NAppears in sequencesa(n) = A051717(2n) + A051717(2n+1).at n=40A140812The number of ways to color the vertices of all (11) simple unlabeled graphs on 4 nodes using at most n colors.at n=19A199394Expansion of 1/(1 - 16*x)^(1/8).at n=6A224881