1,1
A. M. Nemirovsky et al., Marriage of exact enumeration and 1/d expansion methods: lattice model of dilute polymers, J. Statist. Phys., 67 (1992), 1083-1108; see Eq 4b.
Table of n, a(n) for n=1..9.
Sequence in context: A002721 A119217 A119237 * A125447 A162767 A003495
Adjacent sequences: A038726 A038727 A038728 * A038730 A038731 A038732
nonn
N. J. A. Sloane, May 02 2000
approved