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 A002911 M4819 #37 Mar 03 2021 04:17:36 %S A002911 0,0,1,0,12,4,129,122,1332,960,10919,11372,132900,126396,1299851, %T A002911 1349784 %N A002911 Erroneous version of A047709. %C A002911 Previous name was: Susceptibility for hexagonal lattice. %C A002911 The terms 122 and 10919 are incorrect (not supported by the work cited by the source of this sequence). %D A002911 C. Domb, Ising model, in Phase Transitions and Critical Phenomena, vol. 3, ed. C. Domb and M. S. Green, Academic Press, 1974; p. 421. %D A002911 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002911 C. Domb, <a href="/A007239/a007239.pdf">Ising model</a>, Phase Transitions and Critical Phenomena 3 (1974), 257, 380-381, 384-387, 390-391, 412-423. (Annotated scanned copy) %K A002911 dead %O A002911 2,5