This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A038783 #16 Feb 14 2021 13:21:04 %S A038783 4,10,24,208,700,8230,29144,381304,19175140,71582944,3817763740, %T A038783 54975633976,209430787824,3059510616424,173215372864600, %U A038783 9938978487990064,38430716856090160,2235968978631715024,33731189163354610720,131176846748288854980,7749524484709164817824 %N A038783 An intermediate sequence for nonisomorphic circulant undirected p^2-graphs, indexed by odd primes p. %H A038783 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 A038783 a(n) = A038782(n) - A038781(n) + A038784(n). %Y A038783 Cf. A038781. %K A038783 nonn,easy %O A038783 1,1 %A A038783 _N. J. A. Sloane_, May 04 2000 %E A038783 More terms from _Valery A. Liskovets_, May 09 2001 %E A038783 More terms and offset corrected by _Sean A. Irvine_, Feb 14 2021