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A125069 Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Schultz molecular topological index, MTI, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk. 0

%I

%S 6,19,59,184,495,1259,3105,7684,19251,48561,123800,317883,822980,

%T 2144429

%N Number of degeneracies on the sets of n ordinary trees with n vertices. These are the values of the Schultz molecular topological index, MTI, in Table 15 of the paper by Elena V. Konstantinova and Maxim V. Vidyuk.

%C See Equation 4 on page 1861 for a definition of MTI.

%D Elena V. Konstantinova and Maxim V. Vidyuk, "Discriminating tests of information and topological indices. Animals and trees", J. Chem. Inf. Comput. Sci., (2003), vol. 43, 1860-1871. See Table 15, column 12 on page 1868.

%e If n=8 then the value of the Schultz molecular topological index, MTI, is 6.

%e If n=9 then the value of the Schultz molecular topological index, MTI, is 19.

%e If n=10 then the value of the Schultz molecular topological index, MTI, is 59.

%e If n=11 then the value of the Schultz molecular topological index, MTI, is 184.

%Y Cf. A121223.

%K nonn

%O 8,1

%A _Parthasarathy Nambi_, Jan 09 2007

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Last modified June 19 15:47 EDT 2021. Contains 345142 sequences. (Running on oeis4.)