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 A251093 Number of (n+1)X(n+1) 0..1 arrays with no 2X2 subblock having its minimum diagonal element less than its minimum antidiagonal element 1
 13, 212, 9597, 1175519, 391088995, 353489877714, 867470863709067, 5781820357157777986, 104649732973693543280042, 5143991426222399264506760205, 686661619658213553959701988139993 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A251100 LINKS R. H. Hardin, Table of n, a(n) for n = 1..15 EXAMPLE Some solutions for n=3 ..1..0..0..1....1..0..0..0....1..1..1..1....0..0..1..0....1..0..1..0 ..0..1..0..1....0..0..1..1....0..0..0..1....1..0..0..0....1..0..1..1 ..0..0..0..1....1..0..0..0....0..0..0..0....1..0..1..1....1..0..0..0 ..1..0..0..1....0..0..1..0....0..0..1..0....0..0..0..1....1..0..0..1 CROSSREFS Sequence in context: A296671 A196328 A340431 * A132542 A069989 A140517 Adjacent sequences: A251090 A251091 A251092 * A251094 A251095 A251096 KEYWORD nonn AUTHOR R. H. Hardin, Nov 29 2014 STATUS approved

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Last modified November 28 00:05 EST 2022. Contains 358406 sequences. (Running on oeis4.)