A222365 Number of nX2 0..2 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..2 order

1, 1, 1, 10, 11, 104, 116, 1126, 1256, 12524, 14012, 140410, 157438, 1586166, 1781858, 18033206, 20290910, 206107814, 232234706, 2366224414, 2669373946, 27268848262, 30794391506, 315276521510, 356360759522, 3655433105806, 4135063140538

Offset

1,4

Comments

Column 2 of A222371

Links

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

Example

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

Crossrefs

Sequence in context: A361335 A171000 A346821 * A041216 A094026 A035526

Adjacent sequences: A222362 A222363 A222364 * A222366 A222367 A222368

Keyword

nonn

Author

R. H. Hardin Feb 17 2013

Status

approved