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A184020
1/8 the number of (n+1)X(n+1) 0..3 arrays with all 2X2 subblock sums the same
0
32, 204, 1052, 5802, 29432, 159318, 829724, 4552710
OFFSET
1,1
COMMENTS
Diagonal of A184029
EXAMPLE
Some solutions for 4X4
..2..3..3..2....3..0..3..1....2..3..3..2....1..1..1..1....2..2..2..1
..2..2..1..3....1..1..1..0....2..0..1..1....2..1..2..1....3..2..3..3
..2..3..3..2....3..0..3..1....2..3..3..2....0..2..0..2....2..2..2..1
..3..1..2..2....1..1..1..0....2..0..1..1....2..1..2..1....3..2..3..3
CROSSREFS
Sequence in context: A232051 A247927 A247928 * A283336 A223023 A119286
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 08 2011
STATUS
approved