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!)
A288249 2 * largest possible area of a simple n-sided lattice polygon whose vertex coordinates x and y are both independent permutations of the integers 1 ... n, subject to the condition that none of its edges are mutually parallel. 2
3, 8, 18, 28, 44, 65, 88, 118, 151, 189, 226, 272, 323, 377, 433, 493, 558, 627, 701, 778, 860, 945, 1034, 1127, 1224, 1325 (list; graph; refs; listen; history; text; internal format)
OFFSET

3,1

COMMENTS

It is conjectured that a(n) = 2*n^2 - 9*(n-1) for all n>22.

REFERENCES

For references and links see A288247.

LINKS

Table of n, a(n) for n=3..28.

CROSSREFS

Cf. A288247, A288250.

Sequence in context: A063597 A328054 A171701 * A004210 A247022 A119881

Adjacent sequences:  A288246 A288247 A288248 * A288250 A288251 A288252

KEYWORD

nonn,more

AUTHOR

Hugo Pfoertner, Jun 07 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 October 16 20:36 EDT 2021. Contains 348047 sequences. (Running on oeis4.)