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
Crossrefs
Asymptotically approaches (1/12) * A001668.