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A256899 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 plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically 1
9374, 38540, 202462, 721051, 1948416, 4825736, 9929098, 19908603, 36723020, 65041901, 113261036, 189185601, 309307456, 502055292, 798218142, 1244171446, 1921684582, 2937068620, 4423884362, 6588612217, 9722998772, 14214987731 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 3 of A256904

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

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

CROSSREFS

Cf. A256904

Sequence in context: A289858 A259001 A259008 * A079048 A263557 A045202

Adjacent sequences:  A256896 A256897 A256898 * A256900 A256901 A256902

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 12 2015

STATUS

approved

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Last modified May 24 05:06 EDT 2022. Contains 354005 sequences. (Running on oeis4.)