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”).

A231194
Number of (n+1)X(3+1) 0..2 arrays with no element equal to a strict majority of its horizontal, vertical and antidiagonal neighbors, with values 0..2 introduced in row major order
1
538, 31665, 2001156, 125862699, 7925306181, 498915418541, 31409217221246, 1977358522670046, 124484128282635828, 7836867646402697860, 493368077989496076512, 31059866158795282895038, 1955366244648665136009175
OFFSET
1,1
COMMENTS
Column 3 of A231199
FORMULA
Empirical recurrence of order 62 (see link above)
EXAMPLE
Some solutions for n=2
..0..0..0..1....0..1..0..1....0..1..1..2....0..1..2..2....0..1..2..0
..1..2..0..1....1..0..0..2....0..2..1..1....1..1..0..0....1..1..0..1
..0..1..2..1....0..1..1..2....2..0..2..2....2..0..2..0....0..2..2..1
CROSSREFS
Sequence in context: A235561 A252339 A224742 * A367525 A111258 A239347
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 05 2013
STATUS
approved