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A231136
Number of (n+1)X(6+1) black-square subarrays of 0..2 arrays with no element equal to a strict majority of its diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order
1
120, 3688, 124644, 4066129, 137063228, 4509445997, 151928497692, 5001540387953, 168507419403536, 5547511896771810, 186902346005124780, 6153112021568081647, 207305819737090195456, 6824826623169051569950, 229936709033952423239528
OFFSET
1,1
COMMENTS
Column 6 of A231137
FORMULA
Empirical recurrence of order 90 (see link above)
EXAMPLE
Some solutions for n=2
..x..0..x..1..x..1..x....x..0..x..1..x..1..x....x..0..x..1..x..0..x
..1..x..2..x..2..x..0....1..x..0..x..1..x..0....0..x..2..x..2..x..2
..x..2..x..0..x..1..x....x..2..x..2..x..2..x....x..1..x..1..x..0..x
CROSSREFS
Sequence in context: A231129 A052722 A282612 * A222003 A139389 A166596
KEYWORD
nonn
AUTHOR
R. H. Hardin, Nov 04 2013
STATUS
approved