122570domain: NAppears in sequencesCoordination sequence for {A_6}* lattice.at n=10A008534a(n) = n*(n + 1)*(3*n + 1).at n=34A027903Row sums of triangle A125806.at n=12A125809a(n) = 100*n^2 + 2*n.at n=34A158127