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 A129432 #8 Mar 21 2020 20:11:20 %S A129432 1,3,9,47,291,2789,35646,622457,14019433,395208047,13561118011, %T A129432 555498075986,26751985389463,1496090275853092,96154662330195078, %U A129432 7038800665162854369,582281978355495520076,54057819690711609171892,5597375885970846586170796,642829784413912305507730345 %N A129432 Number of isomorphism classes of connected 6-regular multigraphs of order n, loops allowed. %C A129432 Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/ %F A129432 Inverse Euler transform of A129433. - _Andrew Howroyd_, Mar 19 2020 %Y A129432 Column k=6 of A333397. %Y A129432 Cf. A129433, A129421, A005967, A085549, A129430, A129434, A129436. %K A129432 nonn %O A129432 1,2 %A A129432 _Brendan McKay_, Apr 15 2007 %E A129432 a(13)-a(20) added by _Andrew Howroyd_, Mar 19 2020