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A258534
Number of (5+2) X (n+2) 0..1 arrays with every 3 X 3 subblock sum of the two maximums of the central row and central column plus the two minimums of the diagonal and antidiagonal nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
1
294960, 1323419, 3806582, 16029944, 65947572, 288227428, 1319588040, 6258499571, 30740458420, 154896105994, 803422614946, 4203201161959, 22335573948996, 119243945190445, 640166078120864, 3442579211591932
OFFSET
1,1
COMMENTS
Row 5 of A258530.
FORMULA
Empirical recurrence of order 61 (see link above).
EXAMPLE
Some solutions for n=1
..0..0..1....0..0..0....0..1..0....0..0..1....1..0..1....1..1..0....1..0..1
..0..0..1....0..0..1....0..1..0....0..0..1....0..0..1....0..0..0....0..0..1
..0..0..0....0..0..0....0..0..1....0..0..1....0..0..1....1..0..1....0..0..1
..0..1..1....0..1..1....1..0..0....1..0..1....1..0..1....0..0..1....0..1..0
..0..0..1....1..0..0....0..1..1....1..0..0....1..0..1....1..1..0....0..1..0
..1..1..0....1..1..0....1..1..1....1..0..1....1..0..0....0..1..1....1..0..1
..1..1..1....1..0..0....1..0..0....1..0..0....0..0..1....0..0..0....1..1..1
CROSSREFS
Cf. A258530.
Sequence in context: A206237 A236153 A023351 * A258527 A254919 A109031
KEYWORD
nonn
AUTHOR
R. H. Hardin, Jun 02 2015
STATUS
approved