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A254589 Number of (4+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and the central column and the two maximums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally 1
72939, 649029, 5852880, 58920922, 613720640, 6258245316, 62363902283, 612314070327, 5944180964639, 57211015018162, 547453527649167, 5218184143373255, 49605050962203855, 470705828047069026 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 4 of A254586
LINKS
EXAMPLE
Some solutions for n=1
..0..0..1....1..1..1....1..0..0....1..1..0....1..1..1....1..0..0....0..1..0
..0..0..0....0..0..0....1..1..1....1..0..1....0..0..1....0..0..0....1..0..0
..1..1..0....1..1..0....1..0..0....0..0..0....1..1..0....1..0..1....1..0..0
..0..1..1....1..1..1....0..1..0....1..1..1....1..1..1....1..0..1....0..0..0
..1..1..1....1..1..0....0..1..0....1..1..1....1..1..1....1..1..1....0..0..1
..0..0..1....0..1..1....1..0..0....0..0..1....1..0..1....0..0..0....1..1..0
CROSSREFS
Sequence in context: A161730 A071145 A254582 * A254357 A031665 A247993
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2015
STATUS
approved

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Last modified July 12 14:18 EDT 2024. Contains 374248 sequences. (Running on oeis4.)