A259814 Total length of self-avoiding walks with n bonds on the square lattice with additional bridges of length 1.

4, 24, 92, 336, 1132, 3720, 11684, 36384, 110028, 331720, 979276, 2888464, 8386412, 24349160, 69835548, 200362176, 569268356, 1618172568, 4563244964, 12875108576, 36086945324, 101200051112, 282213901868, 787411392176

Offset

1,1

Links

Table of n, a(n) for n=1..24.

A. J. Guttmann and Y. S. Yang, The shortest path of SAWs with bridges, Journal of Physics A: Mathematical and General 24.7 (1991): 1603-1609.

Crossrefs

Sequence in context: A026952 A222670 A225681 * A009769 A119878 A054603

Adjacent sequences: A259811 A259812 A259813 * A259815 A259816 A259817

Keyword

nonn

Author

N. J. A. Sloane, Jul 08 2015

Status

approved