A218839 Unmatched value maps: number of nX5 binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..1 nX5 array.

12, 156, 2050, 26635, 346501, 4507281, 58634265, 762745363, 9922198586, 129073371922, 1679056577224, 21842080049186, 284133645307551, 3696164842194424, 48081720559244098, 625473146037672596

Offset: 1

Author

R. H. Hardin Nov 07 2012

Keywords

• nonn

Comments

Column 5 of A218842

Examples

			Some solutions for n=3
..0..0..1..0..0....0..0..0..0..0....0..0..0..1..1....1..1..0..0..0
..1..0..1..0..1....0..0..1..0..0....0..0..0..0..0....0..0..1..0..1
..0..0..0..0..0....1..0..0..0..1....0..1..1..0..0....1..1..1..0..0
		

Links

• R. H. Hardin, Table of n, a(n) for n = 1..65

Formula

Empirical: a(n) = 12*a(n-1) +6*a(n-2) +103*a(n-3) -128*a(n-4) -41*a(n-5) -630*a(n-6) -523*a(n-7) +1154*a(n-8) -93*a(n-9) +762*a(n-10) -787*a(n-11) -416*a(n-12) +549*a(n-13) -178*a(n-14) +35*a(n-15) +11*a(n-16) -7*a(n-17) for n>18