login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A289893 Number of maximum independent vertex sets in the n-triangular honeycomb queen graph. 1
1, 3, 3, 2, 23, 18, 6, 270, 166, 28, 4842, 2532, 244, 120052, 49620, 2544, 3852972 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..17.

Eric Weisstein's World of Mathematics, Maximum Independent Vertex Set

FORMULA

a(3*n+1) agrees with A002047(n) for available terms.

CROSSREFS

Cf. A002047.

Sequence in context: A112458 A019252 A196544 * A265466 A002073 A247093

Adjacent sequences:  A289890 A289891 A289892 * A289894 A289895 A289896

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Jul 14 2017

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified September 22 21:38 EDT 2020. Contains 337291 sequences. (Running on oeis4.)