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A233145
Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order
1
452, 1158334, 3556749764, 10976545771938, 33888199682535539, 104628720219120084935, 323040050513644831673711, 997383803217605432845939113, 3079415768120334362937355766441
OFFSET
1,1
COMMENTS
Column 6 of A233147
LINKS
EXAMPLE
Some solutions for n=2
..0..0..1..2..1..1....0..0..1..2..4..5....0..0..0..1..0..0....0..0..1..1..1..2
..1..0..0..2..5..3....1..1..0..2..4..3....2..1..1..0..3..4....2..1..0..2..0..0
CROSSREFS
Sequence in context: A318627 A206217 A233228 * A233237 A233111 A233215
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 04 2013
STATUS
approved