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A257156 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 minus the sum of the minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
13504, 101227, 732482, 5352986, 40203005, 303570406, 2272933686, 16956110702, 126194739903, 937418918510, 6952450459180, 51515862833060, 381469904772233, 2823533969222054, 20892921311894352, 154570404973505912 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A257154
LINKS
EXAMPLE
Some solutions for n=2
..0..1..1..1....1..1..1..1....0..1..1..1....0..1..1..1....0..0..0..0
..1..0..0..0....1..0..0..0....0..0..0..0....0..0..0..1....0..1..0..0
..1..0..0..1....0..0..0..0....1..0..0..0....1..0..0..0....1..0..0..0
..0..0..1..0....1..0..1..1....1..0..0..1....0..1..0..1....1..0..0..1
..0..0..1..0....1..0..0..1....1..1..1..0....0..1..1..0....1..0..0..0
CROSSREFS
Sequence in context: A115922 A248444 A257149 * A254738 A342858 A064981
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 16 2015
STATUS
approved

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Last modified February 26 10:13 EST 2024. Contains 370343 sequences. (Running on oeis4.)