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A181240 Number of nX5 binary matrices with no 2X2 circuit having pattern 0101 in any orientation 1
32, 634, 13262, 275690, 5735478, 119310334, 2481942354, 51630303190, 1074033301458, 22342450688162, 464776188850718, 9668451712623486, 201126823551119586, 4183916965585685474, 87035437968274038914 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A181245

LINKS

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

FORMULA

Empirical: a(n)=21*a(n-1)+9*a(n-2)-278*a(n-3)+73*a(n-4)+790*a(n-5)-662*a(n-6)+29*a(n-7)+69*a(n-8)-10*a(n-9)

CROSSREFS

Sequence in context: A004337 A292880 A255262 * A140802 A028204 A028190

Adjacent sequences:  A181237 A181238 A181239 * A181241 A181242 A181243

KEYWORD

nonn

AUTHOR

R. H. Hardin Oct 10 2010

STATUS

approved

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Last modified May 27 12:01 EDT 2020. Contains 334657 sequences. (Running on oeis4.)