A266925 Number of unrooted self-avoiding walks of n steps on honeycomb lattice.

1, 1, 2, 3, 6, 9, 18, 31, 61, 107, 207, 378, 724, 1333, 2537, 4723, 8938, 16674, 31455, 58805, 110642, 206849, 388444, 726236, 1361766, 2544568, 4765466, 8900805, 16652803, 31085427, 58108482, 108417265, 202517545, 377659515, 704989607, 1314105907, 2451689503, 4568030529

Offset

1,3

Links

Table of n, a(n) for n=1..38.

Crossrefs

Asymptotically approaches (1/12) * A001668.

Sequence in context: A095718 A038751 A218543 * A018518 A091326 A113863

Adjacent sequences: A266922 A266923 A266924 * A266926 A266927 A266928

Keyword

nonn,walk

Author

Luca Petrone, Jan 06 2016

Status

approved