Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A121318
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A121318 Maximum molecular topological index for alkane trees with n vertices. +0
1
0, 4, 16, 38, 74, 128, 204, 306, 438, 604, 808, 1054, 1346, 1688, 2084, 2538 (list; graph; listen)
OFFSET

1,2

COMMENT

See page 161 of Muller et al. paper for the definition of molecular topological index.

REFERENCES

W. R. Muller, K. Szymanski, J.V. Knop and N. Trinajstich, "Molecular topological index", J. Chem. Inf. Comput. Sci., vol. 30 (1990),pp. 160-163. See Table 2 on page 162 column 4.

EXAMPLE

If n=10 then the maximum molecular topological index is 604 which is the tenth term in the sequence.

CROSSREFS

Cf. A000602.

Sequence in context: A080709 A080855 A103770 this_sequence A152133 A110477 A007057

Adjacent sequences: A121315 A121316 A121317 this_sequence A121319 A121320 A121321

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Aug 25 2006

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research