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A185840 Number of (n+1)X5 0..2 arrays with every 2X2 subblock trace equal to some horizontal or vertical neighbor 2X2 subblock trace 1
3249, 222003, 10670517, 560733777, 29306445165, 1532963751183, 80217651167325, 4197053176231149, 219601118427318765, 11490030204820182927, 601185773584255262859, 31455455893650113824017, 1645823762938509830816193 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A185845

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..200

EXAMPLE

Some solutions for 3X5

..1..0..1..2..2....1..1..1..1..1....2..0..1..2..1....0..1..2..1..1

..0..1..2..1..0....0..0..0..1..2....1..0..2..2..0....1..2..2..1..2

..1..2..2..1..1....2..2..2..2..2....0..0..1..1..0....0..1..1..1..2

CROSSREFS

Sequence in context: A048421 A238254 A187135 * A251501 A106722 A031555

Adjacent sequences:  A185837 A185838 A185839 * A185841 A185842 A185843

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 05 2011

STATUS

approved

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Last modified August 14 13:43 EDT 2022. Contains 356117 sequences. (Running on oeis4.)