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A181002
Number of (n+4)Xn binary matrices with rows and columns each in strictly increasing order as binary numbers and each row and column having an odd number of 1s
0
0, 0, 0, 0, 211, 173337, 260577888, 969386110957, 10083848050889455
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OFFSET
1,5
COMMENTS
Subdiagonal 4 of
A181000
LINKS
Table of n, a(n) for n=1..9.
CROSSREFS
Sequence in context:
A276462
A096834
A013547
*
A323426
A099687
A358873
Adjacent sequences:
A180999
A181000
A181001
*
A181003
A181004
A181005
KEYWORD
nonn
AUTHOR
R. H. Hardin
Sep 30 2010
STATUS
approved
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Last modified August 14 14:45 EDT 2024. Contains 375165 sequences. (Running on oeis4.)