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 A267790 Number of 4Xn 0..1 arrays with every repeated value in every row greater than or equal to, and in every column greater than, the previous repeated value. 1
 9, 81, 729, 5081, 34173, 211555, 1262760, 7263481, 40755550, 223936008, 1210708628, 6459502002, 34095465344, 178380596163, 926424208370, 4781950926795, 24555731443566, 125543243787981, 639444488484051 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 4 of A267788. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 R. H. Hardin, Empirical recurrence of order 93 FORMULA Empirical recurrence of order 93 (see link above) EXAMPLE Some solutions for n=4 ..1..1..1..0....0..1..0..1....0..0..0..1....0..1..1..0....0..0..1..1 ..0..0..0..0....1..0..1..0....0..1..0..1....0..0..0..1....1..0..1..0 ..1..1..1..1....1..0..0..1....1..1..1..0....1..0..0..1....0..1..0..0 ..0..1..0..0....0..1..0..1....0..0..0..1....1..1..1..0....0..1..1..1 CROSSREFS Cf. A267788. Sequence in context: A171283 A174108 A254435 * A268014 A228972 A125947 Adjacent sequences:  A267787 A267788 A267789 * A267791 A267792 A267793 KEYWORD nonn AUTHOR R. H. Hardin, Jan 20 2016 STATUS approved

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Last modified May 23 18:08 EDT 2022. Contains 353993 sequences. (Running on oeis4.)