62320domain: NAppears in sequencesa(n) = (7*n+3)*(7*n+5)*(7*n+6).at n=5A001561Defining sequence for an inverse Fredholm-Rueppel triangle.at n=28A104977Number of 3-step king-knight's tours (piece capable of both kinds of moves) on an n X n board summed over all starting positions.at n=17A187851