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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 May 7 08:57 EDT 2021. Contains 343636 sequences. (Running on oeis4.)