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A002918
High temperature series for spin-1/2 Ising specific heat on 3-dimensional f.c.c. lattice.
(Formerly M4255 N1777)
5
6, 48, 390, 3216, 26844, 229584, 2006736, 17809008, 159799812, 1446245424, 13181330772, 120849559824, 1113598633188
OFFSET
0,1
REFERENCES
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
FORMULA
G.f.: (v^2-1) * (-q/2*f(v)^2 - (v^2-1) * f'(v)^2 + f(v) * (2*v*f'(v) + (v^2-1)*f''(v))) / f(v)^2, where f(v) is the g.f. of A001407 and q = 12 is the number of nearest neighbors. - Andrey Zabolotskiy, Feb 15 2022
CROSSREFS
Cf. A002916 (cubic), A002917 (b.c.c.), A002921 (susceptibility), A001407 (partition function), A002165 (Heisenberg).
Sequence in context: A250164 A264083 A083233 * A354504 A005399 A366942
KEYWORD
nonn,more
EXTENSIONS
Better description from Steven Finch
a(8)-a(10) from Guttmann & Joyce added by Andrey Zabolotskiy, Feb 02 2022
a(11)-a(12) from Andrey Zabolotskiy, Feb 15 2022
STATUS
approved