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%I #10 Jul 31 2019 11:30:13
%S 0,1,10,87,742,6355,54972,480676,4246156,37857609,340321820,
%T 3081805727,28089617550,257516093302,2373098818888,21971084873775,
%U 204274300836144,1906474633391853,17854760020687254,167745930396293263,1580556744351118030,14932307414985485049,141420575129236412394
%N Related to enumeration of rooted catapolyoctagons (see Cyvin reference for precise definition).
%D S. J. Cyvin, B. N. Cyvin, and J. Brunvoll. Enumeration of tree-like octagonal systems: catapolyoctagons, ACH Models in Chem. 134 (1997), 55-70, Table III, W_r.
%F a(n) = Sum_{i=1..n-1} A036758(i)*A036758(n-i) [Cyvin eq. (18)]. - _R. J. Mathar_, Jul 31 2019
%K nonn
%O 1,3
%A _N. J. A. Sloane_, Aug 13, 2006