15653352domain: NAppears in sequencesNumber of ways of writing n as a sum of 12 squares.at n=18A000145Theta series of 12-dimensional unimodular lattice {D_12}^{+}.at n=18A004533Theta series of D_12 lattice.at n=9A022043Theta series of D*_12 lattice.at n=18A022065Expansion of eta(q)^24 / eta(q^2)^12 in powers of q.at n=18A286346