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%I M4600 #24 Feb 04 2024 18:43:31
%S 9,14,20,27,33,41,49,57
%N a(n) is the least k such that every n X (n+3) {0,1}-matrix with k ones contains an all-ones 2 X 4 submatrix.
%D R. K. Guy, A many-facetted problem of Zarankiewicz, Lect. Notes Math. 110 (1969), 129-148.
%D N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
%K nonn,more
%O 2,1
%A _N. J. A. Sloane_
%E Replaced definition with more precise version from a comment of _Sean A. Irvine_ from May 18 2017. - _N. J. A. Sloane_, Feb 04 2024
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