A265177 Number of n X 5 0..n*5-1 arrays with upper left zero and lower right n*5-1 and each element differing from its horizontal and vertical neighbors by a power of two.

16, 8463, 7796840, 19256175024, 62221755947285, 29140746691543180, 114300945033974982113, 143026744640969922998778, 665211626399246015524893315, 1103575752619261180934292157487, 3455181481764546173131937070949479, 4571072289935266583762051509912780981

Offset

1,1

Comments

Column 5 of A265178.

Links

R. H. Hardin, Table of n, a(n) for n = 1..13

Example

Some solutions for n=2:
..0..4..2..4..8....0..4..6..5..7....0..4..5..6..5....0..4..3..5..1
..2..3..4..5..9....2..3..5..1..9....4..8..9..5..9....2..6..5..7..9

Crossrefs

Cf. A265178.

Sequence in context: A280845 A069986 A366361 * A151641 A265240 A221137

Adjacent sequences: A265174 A265175 A265176 * A265178 A265179 A265180

Keyword

nonn

Author

R. H. Hardin, Dec 03 2015

Status

approved