215640domain: NAppears in sequencesNumber of n-step walks on a cube lattice starting from the origin but not returning to it at any stage.at n=7A063888The 3rd Hermite Polynomial evaluated at n: H_3(n) = 8*n^3 - 12*n.at n=30A163322Total number of round trips of length n on the closed Laguerre graph Lc_4 divided by 4.at n=6A201200