OFFSET
0,5
REFERENCES
C. Domb, Ising model, in Phase Transitions and Critical Phenomena, vol. 3, ed. C. Domb and M. S. Green, Academic Press, 1974; p. 421.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
C. Domb, Ising model, Phase Transitions and Critical Phenomena 3 (1974), 257, 380-381, 384-387, 390-391, 412-423. (Annotated scanned copy)
FORMULA
a(n) = A003194(n+4)/4. - Andrey Zabolotskiy, Feb 16 2022
CROSSREFS
KEYWORD
sign
AUTHOR
EXTENSIONS
Corrections and updates from Steven Finch
STATUS
approved