-1862domain: ZAppears in sequencesa(n) = n^3-((n-1)^3+(n-2)^3+(n-3)^3).at n=12A147974Convolution square of A112274.at n=49A285355Dirichlet g.f.: 1 / (zeta(s) * zeta(s-1) * zeta(s-2)).at n=43A328254