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A254902 Number of (n+2) X (3+2) 0..1 arrays with every 3 X 3 subblock sum of the two sums of the diagonal and antidiagonal minus the two minimums of the central column and central row nondecreasing horizontally, vertically and ne-to-sw antidiagonally. 1
7579, 14137, 24358, 54081, 59885, 56618, 73167, 84033, 87145, 95312, 108912, 115090, 129716, 148102, 161469, 170385, 192511, 203243, 218829, 241257, 269496, 287602, 308637, 343640, 368950, 387956, 428001, 467370, 497840, 534943, 577434 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 3 of A254907.
LINKS
EXAMPLE
Some solutions for n=4
..1..1..1..1..0....1..1..0..0..0....0..1..1..0..0....0..0..1..1..0
..1..0..0..1..1....1..0..0..0..1....0..0..0..0..1....0..0..0..0..1
..0..0..0..1..1....0..0..0..0..1....0..0..0..0..0....0..1..1..1..1
..1..1..1..1..0....0..1..0..0..0....1..1..1..1..0....1..1..0..1..1
..1..0..1..1..0....0..1..0..1..1....0..0..1..1..0....0..0..0..1..0
..0..0..1..0..0....1..1..1..1..1....1..0..0..0..1....1..1..1..0..0
CROSSREFS
Cf. A254907.
Sequence in context: A260036 A064872 A254909 * A257204 A204358 A232547
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 10 2015
STATUS
approved

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Last modified May 21 09:41 EDT 2024. Contains 372733 sequences. (Running on oeis4.)