login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A196297
Number of nX5 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 3,0,1,4,2 for x=0,1,2,3,4
1
9, 187, 1201, 14231, 160800, 1752855, 19123802, 207927811, 2289816421, 25196042496, 275801202962, 3022047651617, 33191139932413, 364411328809394, 3997197786597231, 43850392251373127, 481263490991618506
OFFSET
1,1
COMMENTS
Every 0 is next to 0 3's, every 1 is next to 1 0's, every 2 is next to 2 1's, every 3 is next to 3 4's, every 4 is next to 4 2's
Column 5 of A196300
LINKS
EXAMPLE
Some solutions for n=4
..0..1..2..1..0....1..0..0..0..0....0..0..1..1..0....1..1..0..0..1
..0..2..0..2..0....2..2..1..2..0....0..0..1..1..2....0..2..0..0..2
..2..1..2..1..1....1..1..1..1..1....1..2..1..0..1....2..1..2..0..1
..1..0..0..0..1....0..0..0..0..1....1..0..1..1..2....1..0..1..1..2
CROSSREFS
Sequence in context: A189803 A216409 A171194 * A274781 A293848 A351281
KEYWORD
nonn
AUTHOR
R. H. Hardin Sep 30 2011
STATUS
approved