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A259008 Number of (3+2)X(n+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, vertically and ne-to-sw antidiagonally 1
9374, 21073, 55760, 159480, 397152, 915452, 2005182, 4136140, 8078000, 15207697, 27992566, 49262392, 85034718, 144739230, 240912192, 392252878, 631489978, 1002303755, 1565538282, 2411206601, 3673018438, 5530443094, 8228004970 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A259006
LINKS
EXAMPLE
Some solutions for n=4
..0..1..1..0..0..0....0..0..1..1..0..1....0..0..0..1..1..0....0..1..1..1..1..1
..1..0..0..0..1..1....0..0..0..0..0..0....0..0..0..0..0..1....0..0..0..0..0..1
..0..0..0..1..1..1....0..0..0..0..1..0....0..0..0..0..0..1....1..1..1..1..1..1
..0..1..1..1..1..1....1..1..1..1..1..0....0..1..1..1..1..0....1..1..1..1..1..1
..1..1..1..1..1..0....1..1..0..1..1..1....1..0..0..1..1..1....0..1..1..1..1..1
CROSSREFS
Sequence in context: A246736 A289858 A259001 * A256899 A079048 A263557
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 16 2015
STATUS
approved

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Last modified April 14 04:49 EDT 2024. Contains 371655 sequences. (Running on oeis4.)