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A254579
Number of (n+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
512, 17125, 774168, 58920922, 7610621332, 1782085332862, 738710766470176, 542677263491039766, 713943639208462145009, 1680972883461652913399702, 7102138169908083180646725958, 53965518477796676606255343307032
OFFSET
1,1
COMMENTS
Diagonal of A254586
LINKS
EXAMPLE
Some solutions for n=2
..1..0..0..0....0..0..0..0....0..0..0..1....1..0..1..1....1..0..0..1
..1..1..1..0....1..0..0..1....0..0..1..0....1..0..1..0....0..1..1..0
..1..0..0..1....0..1..1..0....0..1..1..1....1..1..1..0....1..1..1..0
..1..1..1..0....0..0..0..1....0..1..1..1....0..1..0..1....0..0..0..0
CROSSREFS
Sequence in context: A329894 A258523 A257147 * A195657 A072369 A140251
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 01 2015
STATUS
approved