A201725 Number of nX4 0..4 arrays with rows and columns lexicographically nondecreasing and no element equal to the number of horizontal and vertical neighbors equal to itself

35, 3567, 499474, 56836178, 4720850001, 299927801278, 15249209002599, 640855702702745, 22831719167592564, 703807755707555744, 19083627099219491070, 461269189538111185232, 10047567066462239739922

Offset

1,1

Comments

Column 4 of A201729

Links

R. H. Hardin, Table of n, a(n) for n = 1..120

Example

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

Crossrefs

Sequence in context: A174749 A184124 A343586 * A202578 A213404 A249887

Adjacent sequences: A201722 A201723 A201724 * A201726 A201727 A201728

Keyword

nonn

Author

R. H. Hardin Dec 04 2011

Status

approved