799212domain: NAppears in sequencesa(n) = a(1)*a(n-1) + a(2)*a(n-2) + ...+ a(n-1)*a(1) for n >= 5, starting 1,1,1,0.at n=16A025274a(n) = Hermite(n, 15).at n=4A158580The 4th Hermite Polynomial evaluated at n: H_4(n) = 16n^4 - 48n^2 + 12.at n=15A163323