A057381 Low-temperature partition function expansion for square lattice (Potts model, q=4).

1, 0, 0, 0, 3, 0, 6, 12, 3, 72, 66, 144, 822, 480, 3624, 8508, 10482, 65856, 94794, 289452, 1008420, 1561032, 6503532, 15224016, 34976979, 125988144, 263308986, 805096764, 2319752694, 5402283396, 17415097542, 44310604860