|
%I #7 Mar 10 2020 12:21:42
%S 1,14,100,511,2116,7501,23527,66834,174953,427486,984654,2154809,
%T 4508722,9067082,17600002,33094234,60466665,107632267,187074805,
%U 318119850,530176267,867294295,1394495598,2206460931,3439326144
%N Column 7 of triangle A055907.
%H A. J. Guttmann and A. R. Conway, <a href="https://researchers.ms.unimelb.edu.au/~guttmann@unimelb/articles/hexfinal.pdf">Hexagonal lattice directed site animals</a>, Statistical Physics on the Eve of the Twenty-First Century, ed. M. T. Batchelor, World Scientific, 1999 (H_7 for hexagonal lattices Table 1).
%F G.f.: x^7*B(x)/((1-x)^15*(1+x)^7*(1+x^2)^6*(1+x^2+x^4)^4*(1+x^4)^2) where B(x) is g.f. of A055916.
%K nonn
%O 7,2
%A _Christian G. Bower_, Jun 22 2000
|
