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A257157 Number of (4+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
62579, 594229, 5449304, 51899365, 519390250, 5227360394, 52041832046, 516365741514, 5111362313284, 50479024933580, 497753506268003, 4903583803546401, 48276454711270360, 475089725283264360 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A257154

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

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

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

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

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

CROSSREFS

Cf. A257154

Sequence in context: A180202 A031659 A257150 * A254739 A205764 A209207

Adjacent sequences:  A257154 A257155 A257156 * A257158 A257159 A257160

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 16 2015

STATUS

approved

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Last modified August 12 16:32 EDT 2022. Contains 356077 sequences. (Running on oeis4.)