-2893domain: ZAppears in sequencesa(n+1) = a(n) - n*(n-1)*a(n-1), with a(n) = 1 for n <= 3.at n=8A002020Expansion of (1-x)/(1-x+x^2+x^3).at n=28A078016Numerator of Hermite(n, 11/16).at n=3A159526a(n) = -(A(n) - A(n-1)) where A(n) = A057597(n+1), for n >= 0.at n=27A319200