%I #6 Jun 09 2017 23:12:23
%S 3,8,18,28,44,65,88,118,151,189,226,272,323,377,433,493,558,627,701,
%T 778,860,945,1034,1127,1224,1325
%N 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.
%C It is conjectured that a(n) = 2*n^2 - 9*(n-1) for all n>22.
%D For references and links see A288247.
%Y Cf. A288247, A288250.
%K nonn,more
%O 3,1
%A _Hugo Pfoertner_, Jun 07 2017
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