A222323 Number of nX3 0..1 arrays with exactly floor(nX3/2) elements unequal to at least one king-move neighbor, with new values introduced in row major 0..1 order

0, 0, 4, 19, 0, 84, 212, 1366, 1302, 11152, 21206, 132937, 213292, 1337380, 2647514, 15028233, 29622012, 163019148, 347100284, 1830194472, 3971385578, 20474549872, 45912542370, 231923364114, 527948983676, 2633446191848, 6087316332422

Offset

1,3

Comments

Column 3 of A222328

Links

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

Example

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

Crossrefs

Sequence in context: A156491 A287677 A069874 * A012496 A024572 A357818

Adjacent sequences: A222320 A222321 A222322 * A222324 A222325 A222326

Keyword

nonn

Author

R. H. Hardin Feb 15 2013

Status

approved