A188096 Number of (n+3)X(n+3) binary arrays with every 4X4 subblock commuting with each horizontal and vertical neighbor 4X4 subblock

65536, 143, 486, 3341, 7661, 10229, 11457, 14853, 20945, 30013, 43553, 66581, 122537, 218493, 370901, 609169, 1038233, 1702125, 2718785, 4301573, 7084265, 11655845, 19057721, 31019025, 51454089, 85171709, 139887197, 228134173

Offset

1,1

Comments

Diagonal of A188105

Links

R. H. Hardin, Table of n, a(n) for n = 1..48

Example

Some solutions for 5X5
..0..0..1..0..0....0..1..0..1..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..1....0..1..0..1..0....0..0..0..0..0....0..0..0..0..0
..0..0..0..0..0....1..0..1..0..1....1..0..0..0..0....1..0..0..0..0
..0..0..0..0..0....1..0..1..0..1....0..0..0..0..0....1..1..0..0..0
..0..0..0..0..0....0..1..0..1..0....1..1..0..0..0....1..1..1..0..0

Crossrefs

Sequence in context: A022532 A161195 A069391 * A188105 A188097 A223602

Adjacent sequences: A188093 A188094 A188095 * A188097 A188098 A188099

Keyword

nonn

Author

R. H. Hardin Mar 20 2011

Status

approved