A181240 Number of nX5 binary matrices with no 2X2 circuit having pattern 0101 in any orientation.

32, 634, 13262, 275690, 5735478, 119310334, 2481942354, 51630303190, 1074033301458, 22342450688162, 464776188850718, 9668451712623486, 201126823551119586, 4183916965585685474, 87035437968274038914

Offset: 1

Author

R. H. Hardin Oct 10 2010

Keywords

• nonn

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)