166095446412domain: NAppears in sequencesa(n) = n*7^n.at n=12A036293Base-7 complementary numbers: n equals the product of the 7 complement (7-d) of its base-7 digits d.at n=23A298977Number of indecomposable closed walks of length 2n along the edges of a cube based at a vertex.at n=14A328778