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A186140
Number of (n+1)X9 0..2 arrays with no 2X2 subblock trace equal to any horizontal or vertical neighbor 2X2 subblock trace
0
63009576, 58529531286, 58311925687818, 58096554299749404, 58456633907530057662, 58923376595033869477548, 59477821878604876659005166, 60068131623385389414240300432
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OFFSET
1,1
COMMENTS
Column 8 of
A186141
LINKS
Table of n, a(n) for n=1..8.
EXAMPLE
Some solutions for 3X9
..0..0..0..0..0..1..0..1..1....0..0..0..0..0..1..0..1..1
..0..0..1..0..1..0..1..0..2....0..0..1..0..2..0..0..0..2
..0..1..0..0..0..0..0..2..0....0..1..0..0..0..1..0..2..1
CROSSREFS
Sequence in context:
A157855
A017539
A227150
*
A172575
A172583
A172683
Adjacent sequences:
A186137
A186138
A186139
*
A186141
A186142
A186143
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 13 2011
STATUS
approved
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Last modified September 1 00:14 EDT 2024. Contains 375575 sequences. (Running on oeis4.)