A206356 Number of nX5 0..4 arrays with no element equal to another within two positions in the same row or column, and new values 0..4 introduced in row major order

5, 884, 47060, 2545230, 137375464, 7427049378, 401471308746, 21705874723550, 1173549933694952, 63450684804324134, 3430620268033662902, 185485744651944072052, 10028795903166889447818, 542234705334673279493520

Offset

1,1

Comments

Column 5 of A206359

Links

R. H. Hardin, Table of n, a(n) for n = 1..30

Example

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

Crossrefs

Sequence in context: A085706 A190350 A135084 * A298278 A299371 A299140

Adjacent sequences: A206353 A206354 A206355 * A206357 A206358 A206359

Keyword

nonn

Author

R. H. Hardin Feb 06 2012

Status

approved