A038782 - OEIS

%I #12 Feb 14 2021 12:37:54

%S 8,424,798960,20962209174670432,247984783510749556138000,

%T 163976067636254581923091475287730651413600,

%U 8961962227285899756481561562282509859208082639814672

%N Circulant undirected p^2-graphs up to rotations only, indexed by odd primes p.

%H M. Klin, V. A. Liskovets and R. Poeschel, <a href="http://www.mat.univie.ac.at/~slc/wpapers/s36klp.html">Analytical enumeration of circulant graphs with prime-squared vertices</a>, Sem. Lotharingien de Combin., B36d, 1996, 36 pages.

%K nonn,easy

%O 1,1

%A _N. J. A. Sloane_, May 04 2000

%E More terms from _Valery A. Liskovets_, May 09 2001

%E Offset corrected by _Sean A. Irvine_, Feb 14 2021