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A266925
Number of unrooted self-avoiding walks of n steps on honeycomb lattice.
9
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
CROSSREFS
Asymptotically approaches (1/12) * A001668.
Sequence in context: A095718 A038751 A218543 * A018518 A091326 A113863
KEYWORD
nonn,walk
AUTHOR
Luca Petrone, Jan 06 2016
STATUS
approved