%I A094637
%S A094637 1,1,1,4,16,103,799,7286,71094,729974,7743818,84307887,937002302,
%T A094637 10595117272,121568251909,1412555701804,16594126114458,196829590326284,
%U A094637 2354703777373055,28385225424840078,344524656398655124
%N A094637 Number of unlabeled 6-gonal 2-trees with n 6-gons.
%H A094637 G. Labelle, C. Lamathe and P. Leroux, <a href="http://arXiv.org/abs/math.CO/
               0312424">Labeled and unlabeled enumeration of k-gonal 2-trees</a>
%Y A094637 Cf. A054581.
%Y A094637 Sequence in context: A065731 A074187 A111883 this_sequence A136793 A009630 
               A131043
%Y A094637 Adjacent sequences: A094634 A094635 A094636 this_sequence A094638 A094639 
               A094640
%K A094637 nonn
%O A094637 0,4
%A A094637 Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 06 2004