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A233407
Number of (n+1)X(6+1) 0..2 arrays with row and column sums nondecreasing, and no adjacent elements equal
0
42, 293, 2543, 21765, 216088, 1283251, 11808072, 70311171, 571963910, 3520539997
OFFSET
1,1
COMMENTS
Column 6 of A233408
EXAMPLE
Some solutions for n=3
..0..2..0..2..0..2..0....1..2..0..2..1..2..0....0..1..2..0..2..0..2
..2..0..2..1..2..0..2....0..1..2..0..2..1..2....1..2..0..2..0..2..0
..0..2..1..2..1..2..1....1..2..1..2..0..2..1....2..0..2..1..2..1..2
..2..1..2..0..2..1..2....2..0..2..1..2..0..2....1..2..1..2..1..2..1
CROSSREFS
Sequence in context: A036463 A190534 A248466 * A272139 A167654 A095266
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 09 2013
STATUS
approved