4,1

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: A027777 A073773 A001919 this_sequence A055344 A059021 A026077

Adjacent sequences: A005550 A005551 A005552 this_sequence A005554 A005555 A005556

nonn,walk

njas