A057374 Low-temperature magnetization expansion for square lattice (Potts model, q=3).

1, 0, 0, 0, -3, 0, -12, -12, -36, -108, -210, -480, -1746, -2340, -10566, -19500, -53976, -152604, -329424, -971304, -2403291, -5955576, -16858584, -40337376, -110301321, -287061696, -730223208, -1985703720, -5070001716