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A257207 Number of (n+2)X(6+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
219706, 443711, 411303, 753005, 640929, 516615, 675943, 769789, 876597, 1089188, 1305183, 1551382, 1851722, 2195415, 2590158, 3029318, 3516086, 4063777, 4672716, 5347330, 6075568, 6871137, 7747708, 8708189, 9740806, 10853545, 12070515 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 6 of A257209
LINKS
EXAMPLE
Some solutions for n=1
..0..0..0..0..1..1..1..0....0..1..0..0..1..1..0..0....0..0..0..1..1..1..0..1
..0..0..1..0..0..1..1..1....1..1..1..0..1..1..1..1....0..0..0..0..0..1..1..0
..0..0..1..0..0..1..0..0....0..0..1..0..1..1..1..1....1..1..0..0..1..0..0..1
CROSSREFS
Sequence in context: A258678 A254912 A254905 * A204968 A294014 A234489
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 18 2015
STATUS
approved

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Last modified June 18 02:31 EDT 2024. Contains 373468 sequences. (Running on oeis4.)