login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A230189
Number of 6Xn 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j)
1
0, 2049, 143451, 34825803, 7303192425, 1576417829097, 337613109419463, 72442679020274343, 15538191696598121541, 3333031870313982444195, 714944148431332304491227, 153357839247813109681299999
OFFSET
1,2
COMMENTS
Row 6 of A230184
LINKS
EXAMPLE
Some solutions for n=3
..1..1..0....1..1..2....1..1..1....1..1..2....1..1..0....1..1..1....0..2..1
..1..2..1....2..0..2....1..2..0....1..0..0....0..2..2....1..1..2....1..1..0
..1..1..0....2..0..2....0..0..0....0..2..1....2..0..1....1..0..2....1..2..1
..0..2..0....2..0..2....2..2..2....1..1..0....1..1..0....2..1..1....0..1..1
..2..0..2....2..1..1....2..0..2....1..2..1....1..2..2....1..0..1....1..1..2
..2..2..0....2..0..2....2..0..2....1..1..1....0..0..2....2..1..1....2..0..2
CROSSREFS
Sequence in context: A017555 A071116 A060949 * A321808 A017685 A013959
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 11 2013
STATUS
approved