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 A038788 #12 Feb 14 2021 14:34:22 %S A038788 1,4,4,16,64,400,900,8836,355216,1201216,53523856,690217984, %T A038788 2494003600,33255899044,1666350520384,85680866908816,320296595636224, %U A038788 16939175556745744,240937075998869056,910964509740273664,49676441991516395584,719170624451273114176 %N A038788 Non-Cayley-isomorphic circulant self-complementary directed p^2-graphs, indexed by odd primes p. %D A038788 V. A. Liskovets and R. Poeschel, Non-Cayley-isomorphic self-complementary circulant graphs, J. Graph Th., 34, 2000, 128-141. %H A038788 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 A038788 a(p^2) = A049309(p)^2. %F A038788 a(p^2) = A054246(p^2) for p=4k-1. %F A038788 a(p^2) = ( (1/(p-1)) * Sum_{r|p-1 and r even} phi(r) * 2^((p-1)/r) )^2. - _Sean A. Irvine_, Feb 14 2021 %Y A038788 Cf. A038785, A038787. %K A038788 nonn,easy %O A038788 1,2 %A A038788 _N. J. A. Sloane_, May 04 2000 %E A038788 More terms from _Valery A. Liskovets_, May 09 2001 %E A038788 More terms and offset corrected by _Sean A. Irvine_, Feb 14 2021