login
A222766
Number of nX5 0..1 arrays with exactly floor(nX5/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order
1
4, 18, 158, 2608, 19766, 333978, 2645385, 45830457, 370518626, 6504289924, 53224723750, 942396671062, 7774316625479, 138492173604656, 1149166452333809, 20564313304270211, 171388475477573948, 3077759439903425070
OFFSET
1,1
COMMENTS
Column 5 of A222769
LINKS
EXAMPLE
Some solutions for n=3
..0..1..0..0..1....0..1..0..1..1....0..0..0..0..0....0..0..0..1..1
..0..0..0..0..0....1..1..1..1..1....0..0..0..1..0....0..0..0..1..1
..0..0..0..0..0....1..1..1..1..0....0..1..0..0..0....0..0..0..1..0
CROSSREFS
Sequence in context: A330467 A356560 A356530 * A302827 A007153 A239839
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 05 2013
STATUS
approved