login
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
OFFSET
1,1
COMMENTS
Column 5 of A181245
LINKS
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
KEYWORD
nonn
AUTHOR
R. H. Hardin Oct 10 2010
STATUS
approved