A057379 Low-temperature susceptibility expansion for square lattice (Potts model, q=4).

3, 0, 24, 48, 120, 648, 1608, 4176, 21093, 38064, 175608, 494616, 1365726, 5077200, 13549704, 43359768, 140590629, 389348688, 1296882504, 3834279072, 11499126642, 36680416368, 107193301920, 333178056720

Offset: 0

Author

N. J. A. Sloane, Aug 30 2000

Keywords

• nonn

Links

• I. Jensen, Table of n, a(n) for n = 0..55 (from link below)
• Ian G. Enting and Anthony J. Guttmann, Susceptibility amplitudes for the three- and four-state Potts models, Physica A, 321 (2003), 90-107.
• I. Jensen, More terms

Crossrefs

Cf. A057374-A057405.