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 A361403 #7 Mar 11 2023 18:26:39 %S A361403 1,0,5,23,247,4660,124480,4286155,177173770,8460721770,456369771864, %T A361403 27394102475517,1809905002448020,130479709461582679, %U A361403 10191059146232826353,857183200472049855001,77244717697104310952411,7424434373914632379955822,758150225111024064264853603,81967014740890327829104517614,9353488650500180241693235592248 %N A361403 Number of bicolored connected cubic graphs on 2n unlabeled vertices. %C A361403 Adjacent vertices may have the same color. %F A361403 Inverse Euler transform of A361362. %Y A361403 Row sums of A321304. %Y A361403 Cf. A361362 (not necessarily connected). %K A361403 nonn %O A361403 0,3 %A A361403 _Andrew Howroyd_, Mar 10 2023