

A001667


2nstep polygons on b.c.c. lattice.
(Formerly M5364 N2330)


0




OFFSET

2,1


COMMENTS

Number of 2nstep closed selfavoiding walks starting from the origin.  Bert Dobbelaere, Jan 16 2019


REFERENCES

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).


LINKS

Table of n, a(n) for n=2..10.
M. E. Fisher and M. F. Sykes, Excludedvolume problem and the Ising model of ferromagnetism, Phys. Rev. 114 (1959), 4558.
M. F. Sykes et al., The number of selfavoiding walks on a lattice, J. Phys. A 5 (1972), 661666.
Index entries for sequences related to b.c.c. lattice


CROSSREFS

Cf. A001666.
Sequence in context: A128962 A071765 A064243 * A093984 A159711 A268636
Adjacent sequences: A001664 A001665 A001666 * A001668 A001669 A001670


KEYWORD

nonn,nice,walk


AUTHOR

N. J. A. Sloane.


EXTENSIONS

a(9)a(10) from Bert Dobbelaere, Jan 16 2019


STATUS

approved



