OFFSET
1,6
COMMENTS
Table 9 of Godsil and McKay gives incorrect a(12) = 579 and a(13) = 1466 (also has incorrect total number of forests). - Sean A. Irvine, May 15 2017
REFERENCES
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
LINKS
C. Godsil and B. D. McKay, Some computational results on the spectra of graphs, pp. 73-92 of Combinatorial Mathematics IV (Adelaide 1975), Lect. Notes Math., 560 (1976).
Jürgen Jost, Raffaella Mulas, and Leo Torres, Spectral theory of the non-backtracking Laplacian for graphs, arXiv:2203.10824 [math.SP], 2022.
CROSSREFS
KEYWORD
nonn
AUTHOR
EXTENSIONS
a(12) and a(13) corrected and a(14)-a(19) from Sean A. Irvine, May 15 2017
STATUS
approved