login
A222775
Number of 7 X n 0..1 arrays with exactly floor(7 X n/2) elements unequal to at least one horizontal or antidiagonal neighbor, with new values introduced in row major 0..1 order.
1
0, 512, 7575, 196185, 2645385, 79612578, 1139211468, 36347447930, 539406313075, 17697303249138, 268539430883934, 8952558217033179, 137856342447857961, 4642930013771229936, 72224464903123955127, 2449378469060543554130
OFFSET
1,2
COMMENTS
Row 7 of A222769.
LINKS
EXAMPLE
Some solutions for n=3
..0..0..0....0..0..0....0..0..0....0..0..0....0..0..1....0..0..0....0..0..0
..1..0..1....0..0..0....0..0..0....0..0..0....1..0..0....0..0..1....0..0..0
..1..1..1....1..0..0....0..0..0....0..1..0....0..1..1....0..0..1....0..1..1
..1..0..0....0..0..1....1..1..1....1..1..1....1..1..1....1..1..1....1..1..0
..1..0..0....1..0..0....1..1..1....1..0..1....1..1..1....1..1..1....0..1..1
..0..0..0....1..1..1....1..0..1....0..0..0....0..1..1....1..1..0....1..1..0
..0..0..0....1..1..1....1..0..0....0..0..0....1..1..1....0..1..0....1..1..1
CROSSREFS
Cf. A222769.
Sequence in context: A263034 A254012 A258518 * A257419 A255749 A251186
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 05 2013
STATUS
approved