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A122686 List of numbers that are not the Wiener index of any tree. 1

%I #10 Mar 30 2012 16:50:31

%S 2,3,5,6,7,8,11,12,13,14,15,17,19,21,22,23,24,26,27,30,33,34,37,38,39,

%T 41,43,45,47,51,53,55,60,61,69,73,77,78,83,85,87,89,91,99,101,106,113,

%U 147,159

%N List of numbers that are not the Wiener index of any tree.

%D M. Lepovic and I. Gutman, A collective property of trees and chemical trees, J. Chem. Inf. Comput. Sci., 38 (1998), 823-826.

%D Stephan G. Wagner, Hua Wang and Gang Yu. Molecular graphs and the inverse Wiener index problem. Discrete Applied Mathematics, 2009: 1544-1554.

%H Stephan Wagner, <a href="http://www.math.tugraz.at/~wagner/Diss.pdf">Graph-theoretical enumeration and digital expansions: an analytic approach</a>, Dissertation, Fakult. f. Tech. Math. u. Tech. Physik, Tech. Univ. Graz, Austria, Feb. 2006.

%H Stephan Wagner, <a href="http://dx.doi.org/10.1007/s10440-006-9026-5">A class of trees and its Wiener index</a>, Acta Applic. Mathem. 91 (2) (2006) 119-132.

%K nonn,fini,full

%O 1,1

%A _N. J. A. Sloane_, Sep 23 2006

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Last modified March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)