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A186849 Number of (n+1) X 9 binary arrays with no 2 X 2 subblock diagonal sum less antidiagonal sum equal to any horizontal or vertical neighbor 2 X 2 subblock diagonal sum less antidiagonal sum. 1
52378, 1514138, 50707346, 1675514684, 58406620364, 2065646009310, 73006349720400, 2594103702923620, 92296881933749596, 3283815163241221908, 116881968695751606560, 4160746958216316764578, 148113678875510444112726 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A186850.
LINKS
EXAMPLE
Some solutions for 3 X 9
..0..0..0..0..1..1..0..1..1....1..0..0..0..1..0..0..1..1
..0..1..1..0..1..0..1..0..0....0..0..0..1..1..1..0..1..0
..0..0..1..0..0..1..0..1..0....0..0..1..0..1..1..1..1..1
CROSSREFS
Cf. A186850.
Sequence in context: A234679 A191303 A291869 * A107654 A345611 A346328
KEYWORD
nonn
AUTHOR
R. H. Hardin Feb 27 2011
STATUS
approved

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Last modified May 24 22:09 EDT 2024. Contains 372782 sequences. (Running on oeis4.)