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A257188 Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
2462249, 21367247, 375658160, 7875023930, 156549880736, 3282787941884, 70497822050321, 1484414256002804, 31272262583077260, 662554668191631490, 14020929804464669108, 296312633506422966743, 6267103481316509058453 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A257189

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..139

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Cf. A257189

Sequence in context: A144588 A022216 A257195 * A254988 A097968 A205025

Adjacent sequences:  A257185 A257186 A257187 * A257189 A257190 A257191

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 17 2015

STATUS

approved

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Last modified August 3 01:53 EDT 2021. Contains 346429 sequences. (Running on oeis4.)