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A233095
Number of nX5 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order
1
41, 2315, 141566, 8714705, 537122150, 33113065637, 2041493495546, 125863931140721, 7759890074654654, 478420800866866973, 29496098980798824098, 1818524344949318528489, 112117565447139915015590
OFFSET
1,1
COMMENTS
Column 5 of A233098
LINKS
FORMULA
Empirical: a(n) = 79*a(n-1) -1121*a(n-2) +3055*a(n-3) +8224*a(n-4) -49962*a(n-5) +81450*a(n-6) -48132*a(n-7) -2272*a(n-8) +11272*a(n-9) -2688*a(n-10) +96*a(n-11)
EXAMPLE
Some solutions for n=2
..0..0..1..1..0....0..1..3..3..2....0..1..1..3..1....0..1..0..2..3
..0..1..1..0..1....3..1..1..3..2....3..1..1..1..1....1..0..0..1..3
CROSSREFS
Sequence in context: A080178 A353113 A241374 * A223384 A211907 A291860
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2013
STATUS
approved