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 A226584 #25 Dec 31 2014 08:33:05 %S A226584 -1,-1,-19,-593,-23877,-4496245,-1588528613,-12927125815211 %N A226584 Numerators of the series expansion of the ground-state energy of the Hubbard model in the limits of strong coupling and infinite dimensions. %C A226584 a(n) is the numerator of the sum of the weighted contributions from the A198761(n) ways of electron hopping on all of the A198760(n) initial spin-configurations, see eq. A1 in Phys. Rev. B 85, 045105 (2012). %D A226584 Eva Kalinowski, Mott-Hubbard-Isolator in hoher Dimension, Dissertation, Marburg: Fachbereich Physik der Philipps-Universität, 2002. %D A226584 M. Paech, E. Kalinowski, W. Apel, G. Gruber, R. Loogen, and E. Jeckelmann, Ground-state energy and beyond: High-accuracy results for the Hubbard model on the Bethe lattice in the strong-coupling limit, DPG Spring Meeting, Berlin, TT 45.91 (2012). %H A226584 E. Kalinowski and W. Gluza, <a href="http://arxiv.org/abs/1106.4938">Evaluation of high-order terms for the Hubbard model in the strong-coupling limit</a>, Phys. Rev. B 85 (4), 045105 (2012), 8 pages. %H A226584 M. Paech, W. Apel, E. Kalinowski and E. Jeckelmann, <a href="http://arxiv.org/abs/1410.6630">Comparison of computer-algebra strong-coupling perturbation theory and dynamical mean-field theory for the Mott-Hubbard insulator in high dimensions</a>, Phys. Rev. B 90 (24), 245147 (2014), 10 pages. %e A226584 -1/2, -1/2, -19/8, -593/32, -23877/128, -4496245/2048, ... = A226584/A226585 %Y A226584 Cf. A226585. %K A226584 sign,frac,more %O A226584 2,3 %A A226584 _Eva Kalinowski_, Jun 12 2013