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 A202748 Number of 7 X n 0..1 arrays with row sums equal and column sums unequal to adjacent columns. 0
 2, 128, 2802, 183220, 8870150, 578826040, 37121438930, 2639009446600 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 7 of A202742. LINKS EXAMPLE Some solutions for n=3 ..1..0..0....0..1..0....0..1..1....0..1..0....0..0..1....0..1..1....1..0..0 ..0..0..1....1..0..0....1..1..0....1..0..0....0..1..0....0..1..1....0..1..0 ..0..1..0....1..0..0....0..1..1....0..1..0....0..1..0....0..1..1....0..0..1 ..1..0..0....1..0..0....1..1..0....0..1..0....0..0..1....1..0..1....1..0..0 ..0..0..1....0..0..1....0..1..1....0..0..1....0..0..1....1..1..0....0..1..0 ..1..0..0....1..0..0....0..1..1....0..0..1....0..0..1....1..1..0....0..0..1 ..0..0..1....0..0..1....0..1..1....0..1..0....1..0..0....1..1..0....0..1..0 CROSSREFS Cf. A202742. Sequence in context: A226403 A106320 A106318 * A322308 A277757 A010367 Adjacent sequences:  A202745 A202746 A202747 * A202749 A202750 A202751 KEYWORD nonn AUTHOR R. H. Hardin Dec 23 2011 STATUS approved

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Last modified July 3 02:07 EDT 2022. Contains 355029 sequences. (Running on oeis4.)