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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
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.
CROSSREFS
Sequence in context: A063597 A328054 A171701 * A360139 A004210 A247022
KEYWORD
nonn,more
AUTHOR
Hugo Pfoertner, Jun 07 2017
STATUS
approved