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A007288 Expansion of layer susceptibility series for square lattice.
(Formerly M2672)
0
1, 3, 7, 19, 49, 127, 321, 813, 2041, 5117, 12763, 31791, 78917, 195677, 484019 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

REFERENCES

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

S. G. Whittington, G. M. Torrie and A. J. Guttmann, The Ising model with a free surface: a series analysis study, J. Phys. A 12 (1979), 2449-2455.

CROSSREFS

Sequence in context: A049117 A146810 A073063 * A191824 A191757 A061646

Adjacent sequences:  A007285 A007286 A007287 * A007289 A007290 A007291

KEYWORD

nonn

AUTHOR

Simon Plouffe (simon.plouffe(AT)gmail.com)

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.