%I M4100 #24 Feb 06 2022 06:54:09
%S 0,6,-12,-84,1200,3120,-249312,920928,86274816,-1232035584,
%T -40970012160,1391730516480,20983074318336,-1798371774277632
%N High temperature series for spin-1/2 Heisenberg specific heat on 2D square lattice.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H G. A. Baker Jr., H. E. Gilbert, J. Eve and G. S. Rushbrooke, <a href="https://doi.org/10.1016/0375-9601(67)90860-2">On the two-dimensional, spin-1/2 Heisenberg ferromagnetic models</a>, Phys. Lett., 25A (1967), 207-209.
%H J. Oitmaa and E. Bornilla, <a href="https://doi.org/10.1103/PhysRevB.53.14228">High-temperature-series study of the spin-1/2 Heisenberg ferromagnet</a>, Phys. Rev. B, 53 (1996), 14228. See Table I and the note added in proof.
%H <a href="/index/Sp#specific_heat">Index entries for sequences related to specific heat</a>
%Y Cf. A005400 (hexagonal), A002169 (cubic); A005401 (susceptibility).
%K sign,more
%O 1,2
%A _N. J. A. Sloane_
%E Better description from _Steven Finch_
%E a(11)-a(14) added from Oitmaa and Bornilla by _Andrey Zabolotskiy_, Oct 20 2021 and Feb 05 2022