A196341 Number of nX6 0..4 arrays with each element x equal to the number its horizontal and vertical neighbors equal to 1,4,0,2,3 for x=0,1,2,3,4

8, 122, 978, 10854, 119487, 1300388, 13932416, 150048836, 1620592121, 17491804071, 188730662000, 2036388589988, 21973290236479, 237092046775946, 2558243988908567, 27603971958364668, 297851954589411345

Offset

1,1

Comments

Every 0 is next to 0 1's, every 1 is next to 1 4's, every 2 is next to 2 0's, every 3 is next to 3 2's, every 4 is next to 4 3's

Column 6 of A196343

Links

R. H. Hardin, Table of n, a(n) for n = 1..200

Example

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

Crossrefs

Sequence in context: A365055 A196651 A197456 * A196320 A197305 A196972

Adjacent sequences: A196338 A196339 A196340 * A196342 A196343 A196344

Keyword

nonn

Author

R. H. Hardin Oct 01 2011

Status

approved