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 A010045 #9 Nov 26 2024 02:59:03 %S A010045 2,32,528,9728,197568,4424192,108461568,2895515648,83657776128, %T A010045 2602257293312,86733041246208,3084465770528768,116595295651135488, %U A010045 4668952802696364032,197452751427562242048,8794599595709419225088,411518238008892605595648,20183379315419545025380352 %N A010045 High-temperature expansion of Ising model susceptibility chi_4 for square lattice. %H A010045 P. Butera and M. Pernici, <a href="https://doi.org/10.1103/PhysRevE.86.011139">High-temperature expansions of the higher susceptibilities for the Ising model in general dimension d</a>, Phys. Rev. E 86, 011139 (2012); arXiv:<a href="https://arxiv.org/abs/1209.3592">1209.3592</a> [hep-lat], 2012. Appendix A gives chi_4 as a function of K, which is the negated e.g.f. of this sequence at d=2. %H A010045 M. Lüscher and P. Weisz, <a href="https://doi.org/10.1016/0550-3213(88)90602-5">Application of the linked cluster expansion to the n-component phi^4 theory</a>, Nuclear Physics B 300 (1988), 325-359. %Y A010045 Cf. A010046 (cubic), A010047 (4D cubic), A010039 (chi_2, see also A002906), A010042 (mu_2). %K A010045 nonn %O A010045 0,1 %A A010045 _N. J. A. Sloane_ %E A010045 Name clarified, a(15)-a(17) using Butera & Pernici's formulas added by _Andrey Zabolotskiy_, Nov 25 2024