A206052 Number of (n+1)X7 0..2 arrays with the number of clockwise edge increases in every 2X2 subblock equal to one

194691, 14037225, 878480541, 53518920690, 3216834301377, 192565971689028, 11507134891499922, 687199384304917248, 41028637408654135623, 2449346478806438582973, 146216682169316734879641

Offset

1,1

Comments

Column 6 of A206054

Links

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

Example

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

Crossrefs

Sequence in context: A131907 A202937 A013901 * A237088 A172790 A247132

Adjacent sequences: A206049 A206050 A206051 * A206053 A206054 A206055

Keyword

nonn

Author

R. H. Hardin Feb 03 2012

Status

approved