A210105 Number of (n+1)X7 0..2 arrays with every 2X2 subblock having one or three distinct values, and new values 0..2 introduced in row major order

12766, 721705, 38420586, 2068413037, 111283430198, 5991606341393, 322655579663298, 17377924547360597, 936022287349768974, 50418699349886791993, 2715851787763152120154, 146293652927465201243293

Offset

1,1

Comments

Column 6 of A210107

Links

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

Example

Some solutions for n=4
..0..0..0..0..1..0..2....0..0..0..1..2..1..2....0..0..0..1..2..2..1
..1..2..1..2..0..2..1....0..0..0..2..0..0..1....1..2..1..2..0..1..0
..2..0..1..0..1..2..0....2..1..2..1..0..0..2....2..0..0..2..1..2..0
..2..1..2..1..2..0..1....1..0..0..0..2..1..2....2..1..2..1..0..1..0
..1..0..2..0..2..1..2....2..1..2..1..0..2..0....1..0..2..0..2..2..1

Crossrefs

Sequence in context: A206576 A207581 A207056 * A235720 A187600 A187597

Adjacent sequences: A210102 A210103 A210104 * A210106 A210107 A210108

Keyword

nonn

Author

R. H. Hardin Mar 17 2012

Status

approved