19014840

Appears in sequences

• Theta series of D_27 lattice.at n=3A022058
• Theta series of D*_27 lattice.at n=24A022080
• a(n) = (4/45)*n*(n - 2)*(n - 1)*(n^3 - 12*n^2 + 47*n - 15).at n=27A319577