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A254774 Number of (n+2) X (7+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and the central column and the two medians of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally. 1
2473062, 17766805, 399523689, 8014352106, 152665874129, 3151627564633, 66029963150922, 1347645659065486, 27693905833765209, 571426630010331708, 11760686264524554788, 241923345626487645940, 4982603226434478521757 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 7 of A254775.
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..0..1..0..0....0..0..0..0..1..0..0..1..0
..0..0..0..0..1..0..1..1..0....0..0..0..0..0..0..0..1..1
..1..0..1..0..1..0..0..1..1....0..0..1..0..0..1..1..1..1
CROSSREFS
Cf. A254775.
Sequence in context: A254988 A097968 A205025 * A254781 A254727 A230015
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 07 2015
STATUS
approved

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Last modified May 23 22:02 EDT 2024. Contains 372765 sequences. (Running on oeis4.)