A259961 Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001001

4340, 24719, 222813, 1749180, 14134043, 116786951, 949570630, 7710610630, 62925603555, 513205618429, 4180135367174, 34056790238843, 277562650126608, 2262047716475526, 18433280706881961, 150209059442436392

Offset

1,1

Comments

Column 7 of A259962

Links

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

Example

Some solutions for n=2
..0..1..0..0..0..0..0..0..1....0..1..0..0..0..0..0..0..1
..0..0..0..1..0..0..0..0..0....0..0..0..0..0..0..0..0..0
..0..0..0..0..0..0..0..1..0....0..0..1..0..0..1..0..0..0
..1..0..0..0..1..0..0..0..0....1..0..0..0..0..0..0..0..1

Crossrefs

Cf. A259962

Sequence in context: A172884 A172915 A317046 * A252431 A251947 A145916

Adjacent sequences: A259958 A259959 A259960 * A259962 A259963 A259964

Keyword

nonn

Author

R. H. Hardin, Jul 10 2015

Status

approved