A210059 Number of (n+1)X7 0..3 arrays with every 2X2 subblock having one, two or four distinct values, and new values 0..3 introduced in row major order

111659, 26510247, 6488330257, 1622061565898, 409244238764475, 103709585657221609, 26336924516842226001, 6694938325332208321451, 1702693751940512877132139, 433138276610022010132013399

Offset

1,1

Comments

Column 6 of A210061

Links

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

Example

Some solutions for n=4
..0..0..0..0..0..1..1....0..0..0..1..0..1..2....0..1..0..2..1..2..2
..1..0..0..0..1..0..1....1..1..0..0..1..0..3....3..2..3..1..2..1..1
..0..0..0..1..1..1..0....2..1..1..0..0..0..3....1..0..1..1..1..1..1
..2..0..0..1..1..1..1....3..0..1..0..1..0..3....1..0..0..0..0..1..0
..2..2..2..3..1..1..2....3..3..2..3..2..3..3....2..3..0..3..3..2..3

Crossrefs

Sequence in context: A033446 A033447 A203667 * A236892 A237154 A203739

Adjacent sequences: A210056 A210057 A210058 * A210060 A210061 A210062

Keyword

nonn

Author

R. H. Hardin Mar 16 2012

Status

approved