Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A030519
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A030519 Number of polyhexes of class PF2. +0
9
2, 13, 101, 619, 3641, 20028, 106812, 554352, 2828660 (list; graph; listen)
OFFSET

8,1

COMMENT

See reference for precise definition.

REFERENCES

S. J. Cyvin et al., Enumeration and classification of benzenoid systems 32. Normal perifusenes with two internal vertices, J. Chem. Inform. Comput. Sci., 32 (1992), 532-540.

CROSSREFS

Cf. A026106, A026118, A026298, A030519, A030520, A030525, A030529, A030532, A030534.

Adjacent sequences: A030516 A030517 A030518 this_sequence A030520 A030521 A030522

Sequence in context: A074614 A064325 A123619 this_sequence A141116 A077246 A107000

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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 8 07:45 EST 2009. Contains 166143 sequences.


AT&T Labs Research