A219061 Hilltop maps: number of nX6 binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, diagonal or antidiagonal neighbor in a random 0..2 nX6 array

49, 3969, 258353, 16477441, 1054068853, 67441480753, 4315258520649, 276111139100297, 17666902721644133, 1130412517172994361, 72329172869535336453, 4627964732780617679017, 296119210500596743797965

Offset

1,1

Comments

Column 6 of A219063

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

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

Crossrefs

Sequence in context: A372811 A218204 A218231 * A218317 A283229 A109344

Adjacent sequences: A219058 A219059 A219060 * A219062 A219063 A219064

Keyword

nonn

Author

R. H. Hardin Nov 11 2012

Status

approved