A184669 Number of (n+1)X6 0..3 arrays with no 2X2 subblock summing to less than 6

2430631, 3225439429, 3509487618613, 4110692224930359, 4705518067315949795, 5429971895805945122143, 6249280647180715433706216, 7198790025550990326313861165, 8290014690133607000371667238201

Offset

1,1

Comments

Column 5 of A184673

Links

R. H. Hardin, Table of n, a(n) for n = 1..165

Example

Some solutions for 3X6
..0..0..2..0..3..0....0..0..2..0..3..1....0..0..2..0..3..1....0..0..2..0..2..3
..3..3..3..1..2..3....3..3..3..1..3..2....3..3..3..1..3..3....3..3..3..1..3..3
..2..1..3..1..2..0....2..0..1..3..3..2....2..1..2..2..1..1....1..2..0..2..0..0

Crossrefs

Sequence in context: A198781 A104941 A251805 * A184569 A210153 A144588

Adjacent sequences: A184666 A184667 A184668 * A184670 A184671 A184672

Keyword

nonn

Author

R. H. Hardin Jan 19 2011

Status

approved