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 A129435 #19 Mar 22 2020 02:00:18
%S A129435 4,101,12782,8584767,20104116089,122644465172798,1658339657066189475,
%T A129435 44564623565972592394826,2193250056291167380214634054,
%U A129435 185389574171283940222059091478222
%N A129435 Number of isomorphism classes of 7-regular multigraphs of order 2n, loops allowed.
%C A129435 Initial terms computed using software at http://users.cecs.anu.edu.au/~bdm/nauty/
%H A129435 R. C. Read, <a href="http://dx.doi.org/10.1112/jlms/s1-34.4.417">The enumeration of locally restricted graphs (I)</a>, J. London Math. Soc. 34 (1959) 417-436.
%F A129435 a(n) = N\{S_{2n}[S_7] * S_{7n}[S_2]\}.
%F A129435 Euler transform of A129434. - _Andrew Howroyd_, Mar 15 2020
%Y A129435 Column k=7 of A167625.
%Y A129435 Cf. A129434, A129424, A129427, A129429, A129431, A129433, A129437.
%K A129435 nonn,more
%O A129435 1,1
%A A129435 _Brendan McKay_, Apr 15 2007
%E A129435 Using equation (5.8) of Read 1959, McKay's terms were verified by, and new term a(6) was computed by _Jason Kimberley_, Nov 09 2009
%E A129435 a(7)-a(10) from _Andrew Howroyd_, Mar 21 2020