A230993 Number of nX5 0..3 arrays x(i,j) with each element horizontally, vertically or antidiagonally next to at least one element with value (x(i,j)+1) mod 4 and at least one element with value (x(i,j)-1) mod 4, and upper left element zero

0, 66, 2364, 465638, 57701860, 7659817624, 1002758638600, 131716860513628, 17291570114787190, 2270220065544544366, 298053056164828274720, 39130880089619731153300, 5137427036124512850789104

Offset

1,2

Comments

Column 5 of A230994

Links

R. H. Hardin, Table of n, a(n) for n = 1..145

Example

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

Crossrefs

Sequence in context: A114252 A240464 A017729 * A173124 A004365 A062152

Adjacent sequences: A230990 A230991 A230992 * A230994 A230995 A230996

Keyword

nonn

Author

R. H. Hardin, Nov 02 2013

Status

approved