login
A257204
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally and vertically
1
7579, 20815, 49932, 146246, 263630, 411303, 729311, 1137502, 1610329, 2274915, 3169472, 4338292, 5813318, 7747950, 10182266, 13271860, 17219400, 22080758, 28263063, 36156579, 45961370, 58304592, 74030044, 94195258, 120080310
OFFSET
1,1
COMMENTS
Column 3 of A257209
LINKS
EXAMPLE
Some solutions for n=4
..0..1..0..0..0....0..1..1..0..1....0..1..0..0..1....0..1..0..0..1
..0..0..0..0..1....0..1..0..0..0....1..0..0..0..1....0..0..0..0..1
..0..0..0..0..1....0..1..0..1..1....0..0..0..0..0....0..0..0..0..0
..0..0..1..1..1....1..1..1..1..1....0..0..0..1..1....0..0..0..1..1
..1..1..1..0..0....1..0..1..0..1....1..0..0..1..0....1..0..0..1..0
..1..1..1..1..1....1..0..1..1..1....1..1..0..0..0....1..1..1..0..0
CROSSREFS
Sequence in context: A064872 A254909 A254902 * A204358 A232547 A028539
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2015
STATUS
approved