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A257149 Number of (n+2)X(3+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, 96680, 732482, 5449304, 39971674, 295114929, 2183417807, 16144616160, 119387730698, 882890101723, 6529665253371, 48291188396559, 357147674505523, 2641358506805251, 19534786074176850, 144473821838374989 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A257154

LINKS

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

R. H. Hardin, Empirical recurrence of order 79

FORMULA

Empirical recurrence of order 79 (see link above)

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Cf. A257154

Sequence in context: A029557 A115922 A248444 * A257156 A254738 A064981

Adjacent sequences:  A257146 A257147 A257148 * A257150 A257151 A257152

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2015

STATUS

approved

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Last modified January 17 15:12 EST 2020. Contains 330958 sequences. (Running on oeis4.)