login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A121771 Series expansion for first area weighted moment of neighbor-avoiding polygons on square lattice. 1
0, 1, 0, 4, 12, 71, 364, 1922, 10048, 52128, 269192, 1385620, 7119736, 36557434, 187709328, 964257232, 4956991384, 25505488079, 131365052196, 677293606418, 3495682276028, 18061051214195, 93412032650220 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,4
LINKS
I. Jensen, Table of n, a(n) for n = 1..41 (from link below)
I. Jensen, More terms
CROSSREFS
Sequence in context: A358409 A180386 A302434 * A009621 A335907 A013195
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Aug 30 2006
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 21 22:27 EDT 2024. Contains 374478 sequences. (Running on oeis4.)