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A185496
Number of (n+1)X9 binary arrays with every 2X2 subblock sum equal to some horizontal or vertical neighbor 2X2 subblock sum
0
11828, 3480976, 504455124, 85864759616, 14183811777874, 2389300393136984
(list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 8 of A185497
LINKS
Table of n, a(n) for n=1..6.
EXAMPLE
Some solutions for 4X9
..0..0..0..1..0..0..0..0..1....0..0..0..0..0..0..0..1..0
..0..0..0..0..0..1..0..1..0....0..0..0..1..1..0..1..1..0
..0..0..0..0..0..0..1..0..1....0..0..0..0..0..0..0..1..0
..0..0..0..0..0..0..1..1..1....0..0..0..0..0..1..1..0..1
CROSSREFS
Sequence in context: A294661 A347144 A188310 * A249842 A251788 A194776
Adjacent sequences: A185493 A185494 A185495 * A185497 A185498 A185499
KEYWORD
nonn
AUTHOR
R. H. Hardin Jan 29 2011
STATUS
approved

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Last modified November 16 05:03 EST 2024. Contains 377779 sequences.
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