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 A202741 Number of n X 7 0..1 arrays with row sums equal and column sums unequal to adjacent columns. 0
 2, 214, 14258, 613950, 24620522, 967878370, 37121438930, 1401569558590, 52383342552410, 1938999772255314, 71224141762895090 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 7 of A202742. LINKS Table of n, a(n) for n=1..11. EXAMPLE Some solutions for n=3 ..1..1..1..1..0..0..0....0..0..1..0..1..1..1....1..1..0..1..0..0..0 ..0..0..0..1..1..1..1....1..0..1..0..0..1..1....0..0..0..1..1..1..0 ..0..1..0..1..1..0..1....1..1..0..0..1..1..0....1..0..0..1..1..0..0 CROSSREFS Cf. A202742. Sequence in context: A345397 A078280 A125058 * A239529 A101393 A124188 Adjacent sequences: A202738 A202739 A202740 * A202742 A202743 A202744 KEYWORD nonn AUTHOR R. H. Hardin, Dec 23 2011 STATUS approved

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Last modified August 5 12:46 EDT 2024. Contains 374950 sequences. (Running on oeis4.)