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Number of even graphical partitions.
2

%I #6 Jul 10 2011 18:42:33

%S 1,3,7,23,70,242,832,2983,10759,39482,145892,543877,2038831,7685211,

%T 29092055,110554267,421495147,1611676767

%N Number of even graphical partitions.

%D R. A. Brualdi, H. J. Ryser, Combinatorial Matrix Theory, Cambridge Univ. Press, 1992.

%H <a href="/index/Gra#graph_part">Index entries for sequences related to graphical partitions</a>

%F Calculated using Cor. 6.3.3, Th. 6.3.6, Cor. 6.2.5 of Brualdi-Ryser.

%Y Cf. A000569, A004250, A004251, A029889.

%K nonn

%O 1,2

%A TORSTEN.SILLKE(AT)LHSYSTEMS.COM