A260344 Sum of squared distances from origin to ends of all n-step spiral self-avoiding walks on simple cubic lattice.

6, 48, 222, 840, 2922, 9816, 32268, 103920, 327972, 1016604, 3104886, 9372384, 28021722, 83102064, 244684278, 715869972, 2082493224, 6027558060, 17367361116, 49839214272, 142499394102, 406078307556, 1153665098214, 3268423142640, 9235877073966, 26036948624628, 73239840519138, 205599420581796, 576065888328156

Offset

1,1

Comments

Coefficients of rho_n in Guttmann and Wallace paper. - Sean A. Irvine, Aug 29 2019

Links

Table of n, a(n) for n=1..29.

A. J. Guttmann and K. J. Wallace, On three-dimensional spiral anisotropic self-avoiding walks, J. Phys. A 18 (1985), L1049-L1054.

Crossrefs

Cf. A006779, A006780, A260345.

Sequence in context: A026695 A208536 A253947 * A353247 A262354 A052771

Adjacent sequences: A260341 A260342 A260343 * A260345 A260346 A260347

Keyword

nonn

Author

N. J. A. Sloane, Aug 02 2015

Extensions

More terms and titled improved by Sean A. Irvine, Aug 29 2019

Status

approved