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A258517
Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the diagonal and antidiagonal minus the sum of the medians of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
3456356, 46288077, 1030931222, 17303680979, 287984893776, 5245904339615, 94282780215006, 1659294419012438, 29395760753905418, 523152766780848946, 9288833933802115608, 164784211536203553116, 2925325373424901069520
OFFSET
1,1
COMMENTS
Row 7 of A258511
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0....0..0..0....1..0..0....0..1..0....0..1..0....0..1..0....1..1..0
..0..0..0....0..0..0....0..0..0....0..1..0....0..1..0....0..0..0....0..0..0
..0..0..0....1..0..0....0..0..0....0..0..1....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..1....0..0..1....0..0..0....0..0..0....0..1..1....0..1..0
..1..0..0....0..0..0....1..0..1....0..0..0....0..0..1....1..0..0....0..0..0
..1..1..0....0..0..1....1..0..1....1..1..1....0..1..1....0..0..1....0..0..1
..0..0..0....1..0..0....1..1..1....0..0..1....0..0..0....1..1..0....1..1..0
..0..0..0....0..1..1....1..0..1....1..0..0....0..0..0....1..0..0....0..0..0
..0..1..1....1..0..1....1..0..1....1..0..0....0..0..1....0..1..1....1..0..1
CROSSREFS
Sequence in context: A157106 A123201 A358017 * A258510 A254997 A236356
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 01 2015
STATUS
approved