A010568 - OEIS

%I #20 Aug 22 2020 02:35:41

%S 8,48,912,22944,652320,20266368,669756192,23146172544,827460518688,

%T 30378237727200

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

%H M. E. Fisher and D. S. Gaunt, <a href="http://dx.doi.org/10.1103/PhysRev.133.A224">Ising model and self-avoiding walks on hypercubical lattices and high density expansions</a>, Phys. Rev. 133 (1964) A224-A239.

%Y Cf. A010569, A010570.

%K nonn,walk,more

%O 1,1

%A _N. J. A. Sloane_.

%E a(6)-a(8) from _Sean A. Irvine_, May 31 2018

%E a(9)-a(10) from _Sean A. Irvine_, Aug 09 2020