A265618 Number of nX5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and diagonal neighbors by a power of two.

16, 29296, 13534874, 41288839953, 1819521260530360, 2227848096385852333, 18522579416634839942860, 96865983719407432495395322, 932935228224041585869551598574, 5955054040041096909506231404368755

Offset

1,1

Comments

Column 5 of A265619.

Links

R. H. Hardin, Table of n, a(n) for n = 1..12

Example

Some solutions for n=2
..0..1..5..1..5....0..2..3..1..3....0..1..5..1..0....0..2..3..1..9
..9..1..9..7..9....3..1..3..1..9....6..2..3..7..9....5..4..3..5..9

Crossrefs

Cf. A265619.

Sequence in context: A159427 A340590 A017416 * A087518 A249971 A221244

Adjacent sequences: A265615 A265616 A265617 * A265619 A265620 A265621

Keyword

nonn

Author

R. H. Hardin, Dec 10 2015

Status

approved