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Lam, Clement W. H. The distribution of 1-widths of (0, 1)-matrices. Discrete Math. 20 (1977/78), no. 2, 109-122.
N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
Table of n, a(n) for n=1..6.
Index entries for sequences related to binary matrices
Sequence in context: A297407 A142602 A200042 * A157316 A007760 A230511
Adjacent sequences: A005017 A005018 A005019 * A005021 A005022 A005023
N. J. A. Sloane.