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A257158 Number of (5+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
281213, 3374539, 39971674, 502447661, 6713096472, 90781754582, 1213048046486, 16153376651627, 214690187413026, 2847359969938939, 37708680279482593, 498983589987786874, 6599313193857816398, 87248623452324857708 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 5 of A257154

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

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

CROSSREFS

Cf. A257154

Sequence in context: A203867 A250979 A257151 * A254740 A131263 A235173

Adjacent sequences:  A257155 A257156 A257157 * A257159 A257160 A257161

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2015

STATUS

approved

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Last modified October 20 10:43 EDT 2021. Contains 348100 sequences. (Running on oeis4.)