A057381 - OEIS

%I #5 Mar 30 2012 16:48:52

%S 1,0,0,0,3,0,6,12,3,72,66,144,822,480,3624,8508,10482,65856,94794,

%T 289452,1008420,1561032,6503532,15224016,34976979,125988144,263308986,

%U 805096764,2319752694,5402283396,17415097542,44310604860

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

%H I. Jensen, <a href="/A057381/b057381.txt">Table of n, a(n) for n = 0..59</a> (from link below)

%H I. Jensen, <a href="http://www.ms.unimelb.edu.au/~iwan/potts/series/sqp4pf.ser">More terms</a>

%Y Cf. A057374-A057405.

%K nonn

%O 0,5

%A _N. J. A. Sloane_, Aug 30 2000