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A162053
Number of n X n binary arrays with rows and columns, considered as binary numbers, in nondecreasing order, and an even number of ones in each row or column
0
1, 2, 3, 12, 97, 2116, 143722, 31089626, 21981849737, 51209031818644
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OFFSET
1,2
LINKS
Table of n, a(n) for n=1..10.
CROSSREFS
Sequence in context:
A074179
A012586
A088223
*
A162075
A333166
A245584
Adjacent sequences:
A162050
A162051
A162052
*
A162054
A162055
A162056
KEYWORD
nonn
AUTHOR
R. H. Hardin
Jun 25 2009
STATUS
approved
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Last modified August 26 16:29 EDT 2024. Contains 375459 sequences. (Running on oeis4.)