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A233214
Number of nX5 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order
1
99, 147019, 268289572, 496475792293, 919538740854193, 1703198747507336644, 3154729081272072714436, 5843309615312787017886631, 10823201236481602133281929223, 20047146704348600802295758187282
OFFSET
1,1
COMMENTS
Column 5 of A233217
LINKS
FORMULA
Empirical: a(n) = 1975*a(n-1) -228357*a(n-2) +1804281*a(n-3) -4170978*a(n-4) +2593080*a(n-5)
EXAMPLE
Some solutions for n=2
..0..1..0..4..2....0..1..2..2..1....0..0..1..1..2....0..0..1..0..2
..5..2..2..5..4....1..0..0..0..4....3..0..3..4..3....1..3..3..0..3
CROSSREFS
Sequence in context: A233144 A233236 A233110 * A228537 A093211 A010114
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 06 2013
STATUS
approved