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A259805 Guttmann-Torrie series coefficients c_{n}^{21} for square lattice, with wedge angle Pi/4. 0
1, 1, 1, 2, 4, 8, 15, 31, 66, 142, 306, 678, 1512, 3410, 7750, 17786, 41067, 95514, 223295, 525203, 1240734, 2945383, 7019239, 16795983, 40325120, 97153672, 234753693, 568950192 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,4

REFERENCES

A. J. Guttmann and G. M. Torrie, Critical behavior at an edge for the SAW and Ising model, J. Phys. A 17 (1984), 3539-3552.

LINKS

Table of n, a(n) for n=1..28.

CROSSREFS

Sequence in context: A243082 A092603 A298533 * A086125 A227236 A061030

Adjacent sequences: A259802 A259803 A259804 * A259806 A259807 A259808

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jul 06 2015

STATUS

approved

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Last modified December 6 11:34 EST 2022. Contains 358631 sequences. (Running on oeis4.)