A140000 links.
In A1400000.txt, I see
%H A140000 Vincenzo Librandi and Ray Chandler, <a href="/A140000/b140000.txt">Table of n, a(n) for n = 1..10000</a> [First 1000 terms from Vincenzo Librandi]
which references a data file. This information needs to be saved and formalized.
Also I see a link to the OEIS wiki
%H A140000 N. J. A. Sloane et al., <a href="https://oeis.org/wiki/Binary_Quadratic_Forms_and_OEIS">Binary Quadratic Forms and OEIS</a> (Index to related sequences, programs, references)
these should be converted into the right form of link. which has a link to