A260105 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000001 00000101 or 00010101

6068, 16453, 42372, 121800, 336302, 965197, 2703084, 7792018, 22113228, 63167136, 179982226, 513478377, 1462536224, 4168738950, 11886385630, 33880353109, 96579218388, 275361558899, 784995134662, 2237694214071, 6379091028140

Offset

1,1

Comments

Column 7 of A260106

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=4
..0..0..1..0..0..1..0..1..0....0..0..0..0..0..0..0..0..0
..0..1..0..0..0..0..1..0..1....0..0..1..0..0..0..0..0..0
..0..0..1..0..0..1..0..0..0....0..0..0..1..0..0..1..0..0
..0..1..0..0..0..0..1..0..0....1..0..1..0..0..0..0..1..0
..0..0..1..0..0..1..0..1..0....0..1..0..1..0..0..1..0..1
..0..1..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0..0

Crossrefs

Cf. A260106

Sequence in context: A251818 A241244 A241245 * A084804 A274360 A025515

Adjacent sequences: A260102 A260103 A260104 * A260106 A260107 A260108

Keyword

nonn

Author

R. H. Hardin, Jul 16 2015

Status

approved