1,1
Table of n, a(n) for n=1..10.
S. Redner, Enumeration study of self-avoiding random surfaces, J Phys A: Math Gen 18 (1985) No 12, L723-L726
Sequence in context: A123308 A177383 A074525 * A240921 A221961 A138420
Adjacent sequences: A118328 A118329 A118330 * A118332 A118333 A118334
more,nonn
R. J. Mathar, May 14 2006
approved