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A254304
Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock sum of the two maximums of the diagonal and antidiagonal minus the sum of the minimums of the central row and column nondecreasing horizontally and vertically
1
1021428, 11552577, 69860227, 170114970, 821922862, 2586900868, 8957909107, 36351177418, 119487334237, 419660707762, 1531339859535, 5307620979044, 17672761975717, 64960251553840, 225626107170115, 756372252870150
OFFSET
1,1
COMMENTS
Column 6 of A254306
FORMULA
Empirical recurrence of order 54 (see link above)
EXAMPLE
Some solutions for n=1
..0..0..0..0..0..1..0..0....0..0..0..0..1..1..0..0....0..0..0..1..1..1..1..0
..0..0..0..0..0..0..0..0....1..1..0..0..0..0..1..0....1..0..0..0..0..0..0..1
..0..1..1..0..1..1..1..1....0..1..0..1..1..1..1..0....0..0..1..0..0..1..0..0
CROSSREFS
Sequence in context: A295437 A254265 A254258 * A346266 A218019 A074667
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jan 27 2015
STATUS
approved