%I A112408
%S A112408 0,0,0,0,2,14,79,430,2161,10162,45282,192945,790849,3138808,12116550,
%T A112408 45675153
%N A112408 Number of simple graphs with n vertices and four cycles.
%D A112408 J. B. Hendrickson and C. A. Parks, "Generation and Enumeration of Carbon 
               skeletons", J. Chem. Inf. Comput. Sci, vol. 31 (1991) pp. 101-107. 
               See Table 2, column 6 on page 103.
%H A112408 Michael A. Kappler, <a href="http://www.daylight.com/meetings/emug04/
               Kappler/GenSmi.html">GENSMI: Exhaustive Enumeration of Simple Graphs</
               a>.
%Y A112408 Cf. A036671, A112410.
%Y A112408 Sequence in context: A034573 A133224 A121200 this_sequence A026291 A102401 
               A077461
%Y A112408 Adjacent sequences: A112405 A112406 A112407 this_sequence A112409 A112410 
               A112411
%K A112408 nonn
%O A112408 0,5
%A A112408 Jonathan Vos Post (jvospost3(AT)gmail.com), Dec 21 2005