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A257195
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 minimums of the central row and column nondecreasing horizontally, vertically and ne-to-sw antidiagonally
1
2462249, 20935219, 429271992, 7678171235, 151536930267, 3329338589296, 70497822050321, 1467756615413259, 31190829869276947, 661352216555533870, 13957178036658753029, 295133876120095539441, 6247002726722796889697
OFFSET
1,1
COMMENTS
Row 7 of A257189
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0....0..0..0....0..1..0....0..0..0....0..1..0....0..0..0....0..1..0
..0..0..0....1..0..0....0..0..0....1..0..0....0..0..1....1..0..1....0..0..0
..0..0..0....0..0..0....0..1..0....0..0..0....0..0..0....0..0..0....0..0..0
..0..0..0....0..0..0....0..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..1....1..0..0....0..0..0....0..0..0
..0..0..1....1..0..1....0..0..0....0..0..0....1..0..0....1..1..1....0..1..1
..0..1..0....1..0..0....1..0..0....0..1..1....1..0..0....1..0..1....0..1..1
..1..1..0....1..1..0....0..1..0....0..0..0....1..0..0....1..1..0....1..1..1
..1..1..1....1..1..1....0..1..1....0..0..0....1..0..1....1..1..0....0..0..1
CROSSREFS
Sequence in context: A210153 A144588 A022216 * A257188 A254988 A097968
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 17 2015
STATUS
approved