A254170 Number of (3+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.

16240, 164684, 1553720, 15016048, 139009432, 1263003480, 11377995944, 101942555352, 912087664152, 8157975853920, 72998908371792, 653365654458064, 5848836175265568, 52361520959776576, 468779045407612304

Offset: 1

Author

R. H. Hardin, Jan 26 2015

Keywords

• nonn

Comments

Row 3 of A254168

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..210
• R. H. Hardin, Empirical recurrence of order 73

Formula

Empirical recurrence of order 73 (see link above)