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

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 56th year, we are closing in on 350,000 sequences, and we’ve crossed 9,700 citations (which often say “discovered thanks to the OEIS”).

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A346143 Number of maximal irredundant sets in the n-triangular grid graph. 0
1, 3, 7, 51, 214, 2357, 25611 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..6.

Eric Weisstein's World of Mathematics, Maximal Irredundant Set

Eric Weisstein's World of Mathematics, Triangular Grid Graph

CROSSREFS

Sequence in context: A035499 A273092 A120788 * A207138 A041277 A248239

Adjacent sequences:  A346140 A346141 A346142 * A346144 A346145 A346146

KEYWORD

nonn,more

AUTHOR

Eric W. Weisstein, Sep 16 2021

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 December 4 12:33 EST 2021. Contains 349510 sequences. (Running on oeis4.)