A174459 Partial sums of A006143.

0, 0, 0, 1, 1, 1, 3, 10, 22, 36, 72, 167, 393, 894, 1950, 4327, 9775

Offset

4,7

Links

Table of n, a(n) for n=4..20.

C. Domb, On Multiple Returns in the Random-Walk Problem, Proc. Cambridge Philos. Soc. 50, 586-591, 1954.

C. Domb, Self-Avoiding Walks on Lattices, Adv. Chem. Phys. 15, 229-259, 1969.

H. Kesten, On the Number of Self-Avoiding Walks, J. Math. Phys. 4, 960-969, 1963.

Eric Weisstein's World of Mathematics, Self-Avoiding Walk.

Formula

a(n) = Sum_{i=4..n} A006143(i).

Crossrefs

Cf. A006143.

Sequence in context: A058077 A161672 A190092 * A326124 A346166 A122795

Adjacent sequences: A174456 A174457 A174458 * A174460 A174461 A174462

Keyword

nonn,more

Author

Jonathan Vos Post, Mar 20 2010

Status

approved