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A259854
Guttmann's coefficients c_n rho_n for square lattice.
0
4, 32, 164, 704, 2748, 10096, 35524, 121056, 402420, 1311504, 4205476, 13304864, 41612324, 128878736, 395767092, 1206315296, 3652739252, 10995977424, 32927997988, 98139646880, 291246749300, 860965104720
OFFSET
1,1
LINKS
A. J. Guttmann, Lattice trails II: numerical results, J. Phys. A 22 (1989), 575-588.
CROSSREFS
Sequence in context: A326745 A083299 A336448 * A272424 A269811 A271126
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 07 2015
STATUS
approved