A218070 Number of 7Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 7Xn array.

128, 754, 22228, 424332, 9519284, 214514380, 4803404048, 109134107828, 2464428175794, 55852094761914, 1264209426949652, 28632655998634008, 648354729148697522, 14682760579143673998, 332496265279252340092

Offset

1,1

Comments

Row 7 of A218064

Links

R. H. Hardin, Table of n, a(n) for n = 1..33

Example

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

Crossrefs

Sequence in context: A366827 A297463 A297700 * A188151 A372094 A297643

Adjacent sequences: A218067 A218068 A218069 * A218071 A218072 A218073

Keyword

nonn

Author

R. H. Hardin, Oct 19 2012

Status

approved