A010568 Number of 2n-step 4-dimensional closed paths on 4-d cubic lattice.

8, 48, 912, 22944, 652320, 20266368, 669756192, 23146172544, 827460518688, 30378237727200

Offset

1,1

Links

Table of n, a(n) for n=1..10.

M. E. Fisher and D. S. Gaunt, Ising model and self-avoiding walks on hypercubical lattices and high density expansions, Phys. Rev. 133 (1964) A224-A239.

Crossrefs

Cf. A010569, A010570.

Sequence in context: A249514 A279739 A181276 * A080493 A355434 A303723

Adjacent sequences: A010565 A010566 A010567 * A010569 A010570 A010571

Keyword

nonn,walk,more

Author

N. J. A. Sloane.

Extensions

a(6)-a(8) from Sean A. Irvine, May 31 2018

a(9)-a(10) from Sean A. Irvine, Aug 09 2020

Status

approved