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A187282
Number of (n+2)X5 0..2 arrays with every 2X2 subblock sum equal to some diagonal or antidiagonal neighbor 2X2 subblock sum
0
20529, 71745, 3995709, 67503191, 1974830613, 45488959473, 1183198206417, 29149975570365
OFFSET
1,1
COMMENTS
Column 3 of A187283
EXAMPLE
Some solutions for 4X5
..2..0..0..1..2....2..0..1..1..0....0..1..0..0..1....2..1..1..2..1
..0..0..1..0..0....0..0..1..1..2....0..1..0..2..1....0..2..0..2..1
..1..0..1..1..1....2..0..1..1..0....1..0..1..1..1....1..1..2..2..2
..1..0..0..0..1....0..0..1..1..2....0..1..2..1..1....1..2..1..2..0
CROSSREFS
Sequence in context: A253873 A253539 A178585 * A235836 A235831 A235587
KEYWORD
nonn
AUTHOR
R. H. Hardin Mar 07 2011
STATUS
approved