login
A230248
Number of nX5 0..3 arrays x(i,j) with each element horizontally or vertically next to at least one element with value (x(i,j)+1) mod 4, and upper left element zero
1
0, 118, 5838, 517794, 38111288, 2905031942, 220881339818, 16727315344402, 1267371575854592, 96051870649304886, 7279121508944890350, 551622030187576806890, 41802997413105272045312, 3167917547077219351494862
OFFSET
1,2
COMMENTS
Column 5 of A230250
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..2..1....0..2..3..0..3....0..3..2..1..0....0..1..2..3..2
..3..2..0..3..0....1..0..0..1..2....1..2..2..3..3....1..0..1..0..1
..3..0..1..2..3....2..3..3..0..3....3..0..1..0..2....2..3..0..3..2
CROSSREFS
Sequence in context: A175876 A220715 A230917 * A263954 A231283 A165156
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 13 2013
STATUS
approved