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A233749
Number of (n+1)X(1+1) 0..5 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 10
1
292, 3244, 33372, 355868, 3754324, 39782924, 420963540, 4456914300, 47178381604, 499439195740, 5287027925188, 55968612523148, 592483273171252, 6272030429897244, 66395713054060500, 702865113540228428
OFFSET
1,1
COMMENTS
Column 1 of A233755
LINKS
FORMULA
Empirical: a(n) = 8*a(n-1) +50*a(n-2) -191*a(n-3) -670*a(n-4) +1425*a(n-5) +2761*a(n-6) -3160*a(n-7) -644*a(n-8) +358*a(n-9)
EXAMPLE
Some solutions for n=3
..4..1....0..0....3..1....3..1....3..0....4..0....3..5....0..5....2..5....0..4
..3..5....5..0....5..0....0..3....2..4....5..3....0..0....5..5....0..0....0..5
..4..1....2..0....1..0....5..4....4..1....0..2....2..5....1..0....1..5....0..4
..2..4....0..3....0..4....0..0....2..4....1..5....0..5....5..4....0..3....4..3
CROSSREFS
Sequence in context: A043439 A236049 A233755 * A220410 A232022 A231752
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 15 2013
STATUS
approved