A254163 Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

16240, 164408, 1553720, 13514192, 119471400, 1054310240, 9378850720, 83642043104, 747838723984, 6692350328688, 59911130123536, 536370198043600, 4802059524173712, 42992172686208464, 384902922582518096

Offset: 1

Author

R. H. Hardin, Jan 26 2015

Keywords

• nonn

Comments

Column 3 of A254168

Examples

			Some solutions for n=2
..0..1..1..0..0....0..0..1..0..0....0..1..1..1..0....0..0..0..0..0
..0..1..1..1..0....1..1..1..0..1....0..0..1..1..0....1..0..1..0..1
..1..1..0..0..1....0..1..0..0..1....1..1..1..1..1....0..1..0..0..1
..0..0..0..0..0....1..1..0..0..0....0..0..0..0..0....0..1..0..1..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 66

Formula

Empirical recurrence of order 66 (see link above)