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A257156 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
13504, 101227, 732482, 5352986, 40203005, 303570406, 2272933686, 16956110702, 126194739903, 937418918510, 6952450459180, 51515862833060, 381469904772233, 2823533969222054, 20892921311894352, 154570404973505912 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 3 of A257154

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

Some solutions for n=2

..0..1..1..1....1..1..1..1....0..1..1..1....0..1..1..1....0..0..0..0

..1..0..0..0....1..0..0..0....0..0..0..0....0..0..0..1....0..1..0..0

..1..0..0..1....0..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0

..0..0..1..0....1..0..1..1....1..0..0..1....0..1..0..1....1..0..0..1

..0..0..1..0....1..0..0..1....1..1..1..0....0..1..1..0....1..0..0..0

CROSSREFS

Cf. A257154

Sequence in context: A115922 A248444 A257149 * A254738 A064981 A275370

Adjacent sequences:  A257153 A257154 A257155 * A257157 A257158 A257159

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2015

STATUS

approved

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Last modified January 21 04:53 EST 2020. Contains 331104 sequences. (Running on oeis4.)