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A184094 Number of (n+1)X9 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0
55451, 254174, 22190358, 2367377082, 378836704735 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A184095
LINKS
EXAMPLE
Some solutions for 3X9
..0..1..1..1..1..1..2..2..2....0..0..0..0..0..1..1..1..3
..1..1..1..1..1..1..0..1..1....0..1..1..1..2..0..1..1..0
..1..1..1..1..1..1..3..2..2....1..0..0..1..0..1..1..1..3
...
...3..4..4..4..4..4..5..6.......1..2..2..3..3..3..4..5...
...4..4..4..4..4..5..6..6.......2..2..3..4..3..3..4..5...
CROSSREFS
Sequence in context: A190384 A217692 A061740 * A345621 A346339 A345636
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 09 2011
STATUS
approved

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Last modified April 15 04:34 EDT 2024. Contains 371667 sequences. (Running on oeis4.)