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A254918
Number of (n+2)X(4+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the central row and central column plus the two minimums of the diagonal and antidiagonal nondecreasing horizontally and vertically
1
65548, 705398, 6104373, 28576911, 125133209, 522548222, 2099821580, 8236950077, 31737889660, 121553190757, 475120903131, 1848340307646, 7278447507541, 28608341943933, 114021302520806, 455254812531642, 1840443304059964
OFFSET
1,1
COMMENTS
Column 4 of A254922
FORMULA
Empirical recurrence of order 63 (see link above)
EXAMPLE
Some solutions for n=1
..0..1..1..0..0..1....0..0..1..1..0..0....0..1..1..1..1..1....1..0..0..1..1..1
..0..1..1..1..1..0....0..0..0..0..0..1....1..0..0..1..1..1....0..0..0..1..1..1
..1..0..1..1..1..0....0..1..0..1..1..1....0..0..1..1..1..1....1..1..0..1..0..1
CROSSREFS
Sequence in context: A362950 A258533 A258526 * A268912 A168667 A170781
KEYWORD
nonn
AUTHOR
R. H. Hardin, Feb 10 2015
STATUS
approved