A183843 Number of (n+1)X8 binary arrays with each element of every 2X2 subblock being the sum mod 2 of two others

5863, 176119, 5226955, 161545837, 4937888557, 152705583143, 4699303424280, 145160761315615, 4475378417927343, 138156779824575543, 4261881452661944305, 131531412543202183699, 4058279268462924698390, 125235063964945580482174

Offset

1,1

Comments

Column 7 of A183845

Links

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

Example

Some solutions for 3X8
..1..0..0..1..0..1..1..1....1..0..0..0..1..0..0..1....0..0..1..1..1..0..1..1
..1..1..1..1..1..0..0..0....1..0..0..0..1..0..0..1....1..1..1..0..1..0..1..0
..0..0..0..0..1..0..0..0....0..1..1..1..1..1..1..1....0..0..0..1..1..1..0..1

Crossrefs

Sequence in context: A076808 A272324 A104927 * A212478 A333232 A053340

Adjacent sequences: A183840 A183841 A183842 * A183844 A183845 A183846

Keyword

nonn

Author

R. H. Hardin Jan 07 2011

Status

approved