%I A131315
%S A131315 0,0,0,0,0,1,1,28,5376,3568950
%N A131315 Number of labeled 6-arch graphs on n nodes.
%H A131315 Saverio Caminiti and Emanuele G. Fusco, <a href="http://www.cs.uwaterloo.ca/
               journals/JIS/VOL10/Caminiti/caminiti.html">On the Number of Labeled 
               k-arch Graphs</a>, Journal of Integer Sequences, Vol 10 (2007), Article 
               07.7.5
%Y A131315 Cf. A098721-A098724, A131311-A131314.
%Y A131315 Sequence in context: A128506 A164655 A036525 this_sequence A159407 A099058 
               A159415
%Y A131315 Adjacent sequences: A131312 A131313 A131314 this_sequence A131316 A131317 
               A131318
%K A131315 nonn
%O A131315 1,8
%A A131315 N. J. A. Sloane (njas(AT)research.att.com), Sep 29 2007