%I M1227
%S 1,2,4,10,29,86,266,844,2742,9032,30202,101988,347914
%N Triangulations of the disk K_{n,1}.
%D C. F. Earl and L. J. March, Architectural applications of graph theory, pp. 327355 of R. J. Wilson and L. W. Beineke, editors, Applications of Graph Theory. Academic Press, NY, 1979.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%H C. F. Earl and L. J. March, <a href="/A005500/a005500_1.pdf">Architectural applications of graph theory</a>, pp. 327355 of R. J. Wilson and L. W. Beineke, editors, Applications of Graph Theory. Academic Press, NY, 1979. (Annotated scanned copy)
%H C. F. Earl & N. J. A. Sloane, <a href="/A005500/a005500.pdf">Correspondence, 19801981</a>
%F a(n) = 2 * A005500(n)  A002710(n) (based on _Max Alekseyev_'s formula, cf. A005500).
%Y A row or column of the array in A169809.
%K nonn,more
%O 0,2
%A _N. J. A. Sloane_
%E a(7)a(12) from _Altug Alkan_ and _Manfred Scheucher_, Mar 08 2018
