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”).

A231781
Number of nX4 0..2 arrays with no element having a strict majority of its horizontal and vertical neighbors equal to itself plus one mod 3, with upper left element zero (rock paper and scissors drawn positions)
1
8, 315, 9892, 304889, 9409503, 290382196, 8961583206, 276566915938, 8535237276423, 263409237229182, 8129173701895215, 250877553776734169, 7742428604376200242, 238942064732643737916, 7374082890021863871178
OFFSET
1,1
COMMENTS
Column 4 of A231785
FORMULA
Empirical recurrence of order 80 (see link above)
EXAMPLE
Some solutions for n=3
..0..2..2..2....0..0..1..2....0..0..0..1....0..0..2..2....0..0..0..0
..2..2..2..0....0..0..1..1....1..0..0..2....0..0..1..0....2..1..1..0
..2..2..2..0....0..0..2..1....2..2..2..2....1..1..1..0....1..1..1..0
CROSSREFS
Sequence in context: A231124 A081980 A264661 * A220618 A221721 A079504
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 13 2013
STATUS
approved