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 A002979 M3193 #23 Feb 22 2022 00:29:14 %S A002979 0,4,0,16,32,156,608,2688,12064,55956,266656 %N A002979 Low-temperature series in exp(4J/kT) for antiferromagnetic susceptibility for the Ising model on square lattice. %C A002979 Previous name was: Susceptibility series for square lattice. %D A002979 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002979 M. F. Sykes, D. G. Gaunt, P. D. Roberts and J. A. Wyles, <a href="https://doi.org/10.1088/0305-4470/5/5/004">High temperature series for the susceptibility of the Ising model, I. Two dimensional lattices</a>, J. Phys. A 5 (1972) 624-639. %F A002979 a(n) = 4*A007215(n-2). - _Andrey Zabolotskiy_, Mar 03 2021 %Y A002979 Cf. A007215, A002915 (cubic), A002978 (honeycomb), A002927 (ferromagnetic). %K A002979 nonn,nice,more %O A002979 1,2 %A A002979 _N. J. A. Sloane_ %E A002979 New name from _Andrey Zabolotskiy_, Mar 03 2021