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%I #7 Jul 10 2015 17:04:26
%S 0,2,2,6,4,22,14,102,62
%N Number of graphs with n edges having a proper labeling that is bilaterally symmetric and satisfies condition (4.1) of Sheppard (1976).
%H David A. Sheppard, <a href="http://dx.doi.org/10.1016/0012-365X(76)90051-0">The factorial representation of major balanced labelled graphs</a>, Discrete Math., 15(1976), no. 4, 379-388. See Table 1.
%Y Cf. A005193, A005194.
%K nonn,more
%O 1,2
%A _N. J. A. Sloane_, Jul 10 2015
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