A265598 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, vertical and antidiagonal neighbors by a power of two.

16, 166, 2228, 35824, 11746590, 19502116, 7124418191, 64498108909, 19456105428825, 61995422081770, 37051328002089812, 79092190197776702, 101539868925153509615, 573558583072379539227, 99329072096736307198602

Offset

1,1

Comments

Column 5 of A265601.

Links

R. H. Hardin, Table of n, a(n) for n = 1..58

Example

Some solutions for n=4
..0..4..5..3..7....0..4..5..3..1....0..4..8.12.16....0.16..8.12.10
..2..3..7.11.15....2..3..7..5..9....2..6.10.14.15....8.12.10.11..9
..1..5..3..7.11....1..5..6..7.11...10..8.12.16.17...10..8..9.13.17
..9..7.11..3.19....3..4..5..3.19....6.10.14.18.19....6.10.11.15.19

Crossrefs

Cf. A265601.

Sequence in context: A025930 A125404 A246057 * A021744 A025445 A022740

Adjacent sequences: A265595 A265596 A265597 * A265599 A265600 A265601

Keyword

nonn

Author

R. H. Hardin, Dec 10 2015

Status

approved