A219420 Unchanging value maps: number of nX7 binary arrays indicating the locations of corresponding elements unequal to no horizontal or antidiagonal neighbor in a random 0..2 nX7 array.

37, 1292, 46776, 1709703, 61543422, 2222033208, 80311501599, 2901751767246, 104841170968961, 3788037696651135, 136865946433226693, 4945112174030871404, 178672220976540890315, 6455619364480811829503

Offset: 1

Author

R. H. Hardin Nov 19 2012

Keywords

• nonn

Comments

Column 7 of A219421

Examples

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