OFFSET
1,3
LINKS
John Mason, Table of n, a(n) for n = 1..95, rows 1..18
Elena V. Konstantinova, The constructive enumeration of square animals, POSTECH 10 (2000).
Elena V. Konstantinova and Maxim V. Vidyuk, Discriminating tests of information and topological indices. Animals and trees, J. Chem. Inf. Comput. Sci. 43 (2003), 1860-1871, Table 2.
EXAMPLE
The table starts:
1;
1;
2;
4, 1;
11, 1;
27, 7, 1;
82, 21, 4;
250, 90, 21, 2;
815, 334, 89, 9, 1;
2685, 1311, 391, 67, 6;
9072, 4978, 1674, 324, 45, 1;
30889, 19030, 7089, 1630, 275, 23, 1;
106290, 72082, 29433, 7629, 1498, 174, 11;
...
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
R. J. Mathar, May 19 2019
STATUS
approved