A265934 Number of 6Xn 0..4 arrays with the absolute differences of each element with its with horizontal and antidiagonal neighbors unique.

15625, 11564952, 15962560, 30029860, 51986544, 112139348, 238485164, 634895796, 1889252212, 4519155408, 11448798252, 29549746684, 97486966836, 225990797164, 613757430276, 1612664169808, 5648130657700, 12916631080252, 36051751403804

Offset: 1

Author

R. H. Hardin, Dec 18 2015

Keywords

• nonn

Comments

Row 6 of A265928.

Examples

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

Links

• R. H. Hardin, Table of n, a(n) for n = 1..69

Crossrefs

Cf. A265928.