2141392domain: NAppears in sequencesa(n) = ((n-th prime)^5-(n-th prime)^3)/3.at n=8A138433Wiener index of the grid P_n x P_n, where P_n is the path graph on n vertices.at n=22A143945Number of 2-step self-avoiding walks on an n X n X n X n 4-cube summed over all starting positions.at n=22A188785