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A204721
Number of (n+1)X7 0..1 arrays with the permanents of 2X2 subblocks nondecreasing rightwards and downwards.
1
3490, 115060, 2995945, 75805761, 1793675684, 41246881735, 924334074451, 20403964857427, 445490014489620, 9658996327389732, 208444292278978971, 4484720782054896901, 96300946931574527974, 2065291548346501509907
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OFFSET
1,1
COMMENTS
Column 6 of
A204723
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..210
EXAMPLE
Some solutions for n=4
..1..1..0..1..1..1..0....0..1..0..0..0..0..1....1..0..0..0..0..1..1
..0..1..1..1..0..1..1....0..1..0..1..1..1..1....0..0..1..1..1..1..1
..1..1..0..1..1..1..0....0..1..0..1..0..1..0....1..1..1..0..1..1..1
..0..1..1..1..0..1..1....0..0..1..0..1..0..1....0..0..1..1..1..1..1
..1..1..0..1..1..0..1....0..1..1..1..1..1..0....1..1..1..1..1..1..1
CROSSREFS
Sequence in context:
A031737
A268156
A180994
*
A204960
A249525
A252049
Adjacent sequences:
A204718
A204719
A204720
*
A204722
A204723
A204724
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 18 2012
STATUS
approved