544620domain: NAppears in sequencesCoordination sequence for A_4 lattice.at n=36A008383Number of reduced words of length n in the infinite affine Weyl group (E_6)^{~} on 7 generators.at n=27A161410Growth series for group with presentation < S, T : S^2 = T^3 = (S*T)^12 = 1 >.at n=37A299253