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A185932
Number of (n+1)X9 0..3 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace
0
18869769920, 463800149161728, 11957609765394118112, 306863268993289004333312, 7886218318718674417629561248, 202669623828919364821359439182528, 5208641276453182873667505562357251776
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OFFSET
1,1
COMMENTS
Column 8 of
A185933
LINKS
Table of n, a(n) for n=1..7.
EXAMPLE
Some solutions for 3X9
..2..0..0..0..0..0..0..1..3....2..0..0..0..0..0..0..3..3
..0..0..0..1..0..1..0..2..0....0..0..0..1..0..1..3..0..3
..0..0..2..0..0..0..0..0..2....0..0..2..0..0..0..0..1..2
CROSSREFS
Sequence in context:
A233486
A270895
A273186
*
A262533
A317288
A234397
Adjacent sequences:
A185929
A185930
A185931
*
A185933
A185934
A185935
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2011
STATUS
approved
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Last modified April 24 06:52 EDT 2024. Contains 371920 sequences. (Running on oeis4.)