login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A231698
Number of nX6 0..3 arrays with no element less than a strict majority of its horizontal, vertical and antidiagonal neighbors
1
422, 94996, 37872601, 14007173906, 4333974317355, 1383168339985798, 458723384178436491, 151028533752547571008, 49335557302876746551356, 16145864650820204721710388, 5292025656827127971428710436
OFFSET
1,1
COMMENTS
Column 6 of A231700
LINKS
EXAMPLE
Some solutions for n=2
..0..0..0..0..0..0....1..0..0..3..0..0....0..0..0..0..2..1....3..0..1..2..3..3
..1..2..1..1..0..1....1..0..0..3..0..1....1..3..0..2..1..1....0..0..3..2..2..2
CROSSREFS
Sequence in context: A231837 A231745 A249240 * A248455 A238285 A231939
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 12 2013
STATUS
approved