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An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, indexed by odd primes p.
1

%I #16 Feb 14 2021 13:21:04

%S 4,10,24,208,700,8230,29144,381304,19175140,71582944,3817763740,

%T 54975633976,209430787824,3059510616424,173215372864600,

%U 9938978487990064,38430716856090160,2235968978631715024,33731189163354610720,131176846748288854980,7749524484709164817824

%N An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, 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.

%F a(n) = A038782(n) - A038781(n) + A038784(n).

%Y Cf. A038781.

%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 More terms and offset corrected by _Sean A. Irvine_, Feb 14 2021