A002979 Low-temperature series in exp(4J/kT) for antiferromagnetic susceptibility for the Ising model on square lattice.

0, 4, 0, 16, 32, 156, 608, 2688, 12064, 55956, 266656

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• nice
• more

Comments

Previous name was: Susceptibility series for square lattice.

References

• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

Links

• M. F. Sykes, D. G. Gaunt, P. D. Roberts and J. A. Wyles, High temperature series for the susceptibility of the Ising model, I. Two dimensional lattices, J. Phys. A 5 (1972) 624-639.

Crossrefs

Cf. A007215, A002915 (cubic), A002978 (honeycomb), A002927 (ferromagnetic).

Formula

a(n) = 4*A007215(n-2). - Andrey Zabolotskiy, Mar 03 2021

Extensions

New name from Andrey Zabolotskiy, Mar 03 2021