2,2
The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice.
D. S. McKenzie, The end-to-end length distribution of self-avoiding walks, J. Phys. A 6 (1973), 338-352.
G. Nebe and N. J. A. Sloane, Home page for hexagonal (or triangular) lattice A2
Sequence in context: A003198 A099857 A086926 this_sequence A075650 A015645 A001216
Adjacent sequences: A003287 A003288 A003289 this_sequence A003291 A003292 A003293
nonn,walk
njas
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