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A254237
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically
1
10684, 38392, 195528, 970333, 3702284, 13376848, 46946080, 151691950, 473298612, 1441563263, 4285234118, 12549667259, 36365093642, 104261277810, 296592191300, 838536063660, 2358010298036, 6602060964243, 18419200796892, 51230079582293
OFFSET
1,1
COMMENTS
Column 3 of A254242
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0..1..1....0..0..0..0..0....0..0..1..0..0....0..0..1..0..1
..0..0..0..1..1....0..0..1..1..1....0..0..1..0..0....0..0..1..0..0
..0..1..0..1..0....0..0..0..0..1....1..1..1..1..1....0..0..0..0..0
..1..0..0..1..0....0..1..1..1..1....0..0..1..1..0....0..1..0..1..0
..1..0..1..0..1....0..0..0..0..1....0..0..1..0..0....0..1..0..1..1
CROSSREFS
Sequence in context: A212075 A257421 A257428 * A207282 A207478 A207534
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 27 2015
STATUS
approved