A003488 High temperature series for spin-1/2 Ising surface susceptibility on planar hexagonal lattice.

4, 36, 232, 1308, 6808, 33560, 159108

Offset: 1

Author

N. J. A. Sloane

Keywords

• nonn
• more

Comments

The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice.

References

• N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
• P. G. Watson, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2, p. 136.

Links

• G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2.