A222473 Number of nX2 0..3 arrays with no more than floor(nX2/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..3 order

1, 1, 1, 10, 11, 126, 139, 2033, 2229, 36255, 39685, 667198, 729937, 12434879, 13604769, 233248961, 255262081, 4393917596, 4810289617, 83052210509, 90956522613, 1574365187384, 1724848374973, 29920297244921, 32792034611531

Offset

1,4

Comments

Column 2 of A222479

Links

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

Example

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

Crossrefs

Sequence in context: A059458 A063697 A058943 * A361990 A335801 A363835

Adjacent sequences: A222470 A222471 A222472 * A222474 A222475 A222476

Keyword

nonn

Author

R. H. Hardin Feb 21 2013

Status

approved