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 A003488 M3662 #18 Oct 21 2023 23:48:21 %S A003488 4,36,232,1308,6808,33560,159108 %N A003488 High temperature series for spin-1/2 Ising surface susceptibility on planar hexagonal lattice. %C A003488 The hexagonal lattice is the familiar 2-dimensional lattice in which each point has 6 neighbors. This is sometimes called the triangular lattice. %D A003488 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %D A003488 P. G. Watson, in C. Domb and M. S. Green, Phase Transitions and Critical Phenomena, Ac. Press 1972, Vol. 2, p. 136. %H A003488 G. Nebe and N. J. A. Sloane, <a href="http://www.math.rwth-aachen.de/~Gabriele.Nebe/LATTICES/A2.html">Home page for hexagonal (or triangular) lattice A2</a>. %K A003488 nonn,more %O A003488 1,1 %A A003488 _N. J. A. Sloane_