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 A047711 #24 Feb 15 2022 14:00:57
%S A047711 4,48,840,19080,501712,14383256,436774992,13826204264
%N A047711 High-temperature coefficients for internal energy for spin-1/2 Ising model on b.c.c. lattice.
%H A047711 M. E. Fisher and M. F. Sykes, <a href="https://doi.org/10.1016/0031-8914(62)90081-2">Antiferromagnetic susceptibilities of the simple cubic and body-centered cubic Ising lattices</a>, Physica, 28 (1962), 939-956.
%H A047711 <a href="/index/Ba#bcc">Index entries for sequences related to b.c.c. lattice</a>
%F A047711 Sum_{n>=1} a(n) * v^(2*n-1) = v*q/2 + (1-v^2) * f'(v) / f(v), where f(v) = Sum_{n>=0} A001406(n) * v^(2*n) and q = 8 is the number of nearest neighbors. - _Andrey Zabolotskiy_, Feb 14 2022
%Y A047711 Cf. A010571 (cubic), A047712 (f.c.c.), A001406 (partition function).
%K A047711 nonn,more
%O A047711 1,1
%A A047711 _N. J. A. Sloane_
%E A047711 Name clarified and a(6)-a(8) added by _Andrey Zabolotskiy_, Feb 14 2022