OFFSET
1,2
LINKS
A. E. Brouwer and E. Spence, Cospectral graphs on 12 vertices, Electr. J. Combin. 16 (2009) N20.
Eric Weisstein's World of Mathematics, Determined by Spectrum
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Eric W. Weisstein, Dec 29 2010
EXTENSIONS
a(10) from Eric W. Weisstein, Dec 30 2010
a(11)-a(12) from Eric W. Weisstein, Apr 11 2024 (from Brouwer and Spence)
STATUS
approved