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A256901 Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock sum of the two medians of the central row and column plus the two sums of the diagonal and antidiagonal nondecreasing horizontally and vertically 1
113474, 396712, 1948416, 4687873, 7212370, 12286621, 12230530, 19377777, 24869452, 35469812, 54180018, 82633412, 128108016, 197244059, 304897422, 470254289, 720831904, 1099014235, 1665081428, 2507744625, 3746976448 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 5 of A256904
LINKS
EXAMPLE
Some solutions for n=1
..0..1..0..0..1..1..0....1..0..0..1..1..0..1....0..0..0..0..1..1..0
..0..0..0..1..1..1..0....1..0..0..0..0..0..1....1..0..0..0..1..1..0
..1..0..1..1..1..1..1....1..1..0..0..1..0..1....0..0..0..1..1..0..0
CROSSREFS
Sequence in context: A172648 A259010 A259003 * A066790 A135411 A108387
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2015
STATUS
approved

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Last modified May 25 12:29 EDT 2024. Contains 372788 sequences. (Running on oeis4.)