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 A300754 #8 Apr 10 2022 15:41:24 %S A300754 1,2,2,4,4,6,4,8,7,10,6,14,7,12,12,16,10,20,10,22,16,18,12,30,17,22, %T A300754 20,28,16,36 %N A300754 Erroneous version of A145392. %C A300754 Included in accordance of OEIS policy of including published but incorrect sequences to serve as pointers to the correct versions. - _N. J. A. Sloane_, Apr 10 2022 %H A300754 John S. Rutherford, <a href="http://dx.doi.org/10.1107/S010876730804333X">Sublattice enumeration. IV. Equivalence classes of plane sublattices by parent Patterson symmetry and colour lattice group type</a>, Acta Cryst. (2009). A65, 156-163. See Table 2, row p4. Has a typo in a(13). %K A300754 dead %O A300754 1,2 %A A300754 _Andrey Zabolotskiy_, Mar 12 2018