73836domain: NAppears in sequencesNumerical equivalents of the words zero, one, two, three, ... on touch-tone telephone.at n=7A079048Expansion of 1/sqrt(1-4*x-8*x^2+32*x^3).at n=9A106184a(n) = Hermite(n, 21).at n=3A158727The 3rd Hermite Polynomial evaluated at n: H_3(n) = 8*n^3 - 12*n.at n=21A163322