A219450 Unchanging value maps: number of n X 7 binary arrays indicating the locations of corresponding elements unequal to no king-move neighbor in a random 0..2 n X 7 array.

37, 37, 979, 10421, 121107, 1344235, 15411145, 178002713, 2049830785, 23489245559, 269104272557, 3087159491955, 35436110152591, 406655107180063, 4665437152283693, 53524646343828407, 614115916039639225

Offset

1,1

Comments

Column 7 of A219451.

Links

R. H. Hardin, Table of n, a(n) for n = 1..60

Example

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

Crossrefs

Cf. A219451.

Sequence in context: A090179 A107248 A219402 * A165858 A217544 A190839

Adjacent sequences: A219447 A219448 A219449 * A219451 A219452 A219453

Keyword

nonn

Author

R. H. Hardin, Nov 20 2012

Status

approved