A265933 Number of 5Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

3125, 851496, 1671744, 4044156, 8821464, 22093736, 53801792, 150157540, 449755384, 1236102500, 3412322472, 9360675328, 28319517672, 77705043076, 219811992824, 603529357560, 1803987081984, 4979509778764, 14264973899296

Offset

1,1

Comments

Row 5 of A265928.

Links

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

Example

Some solutions for n=1
..1....3....3....3....4....3....0....2....0....2....0....1....3....3....2....1
..1....2....2....2....1....1....0....2....1....3....2....3....0....2....2....4
..0....1....4....1....3....1....0....0....3....2....3....2....4....1....1....1
..3....1....2....4....4....2....2....2....0....3....2....2....0....4....1....1
..0....3....1....2....3....0....0....3....0....2....3....4....4....4....3....2

Crossrefs

Cf. A265928.

Sequence in context: A017225 A223231 A017333 * A017453 A017585 A223261

Adjacent sequences: A265930 A265931 A265932 * A265934 A265935 A265936

Keyword

nonn

Author

R. H. Hardin, Dec 18 2015

Status

approved