A057397 Low-temperature partition function expansion for honeycomb net (Potts model, q=4).

1, 0, 0, 6, 9, 36, 99, 342, 1188, 4314, 16308, 61362, 244344, 969480, 3990681, 16401402, 69105645, 292097790, 1254450831, 5412716802, 23608046241, 103512674946, 457382482686, 2031136391286, 9072992530731

Offset: 0

Author

N. J. A. Sloane, Aug 30 2000

Keywords

• nonn

Links

• I. Jensen, Table of n, a(n) for n = 0..30 (from link below)
• I. Jensen, More terms

Crossrefs

Cf. A057374-A057405.