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Search: id:A005991
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| A005991 |
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Let k(n) denote the least integer such that every n X n (0,1)-matrix with exactly k(n) ones in each row and in each column contains a 2 X 2 submatrix without zeros. The sequence gives the index n of the last term in each string of equal entries in k(n).
(Formerly M1582)
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