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%I #12 Nov 19 2023 11:36:27
%S 1,1,1,2,4,6,17
%N Independence number of the n-omino graph defined in A098891.
%C Maximum size of a set of free polyominoes with n cells such that no polyomino in the set can be obtained from another by moving one of its cells.
%C a(8) is either 45 or 46.
%H Pontus von Brömssen, <a href="/A367127/a367127.svg">Maximum independent sets in the n-omino graph for 1 <= n <= 7</a>.
%H <a href="/index/Pol#polyominoes">Index entries for sequences related to polyominoes</a>.
%F a(n) <= A367440(n).
%Y Cf. A098891, A367123, A367124, A367440.
%K nonn,more
%O 1,4
%A _Pontus von Brömssen_, Nov 05 2023