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A172549
Number of 2*n X n 0..1 arrays with row sums 4 and column sums 8
1
0, 0, 0, 1, 113400, 154700988750, 617944896216648000, 6637298299496411164868250, 176264656064665625137392456544800, 10697695830125272790880922760946584535000
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OFFSET
1,5
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..25
CROSSREFS
Sequence in context:
A103113
A179922
A122511
*
A172589
A172692
A172648
Adjacent sequences:
A172546
A172547
A172548
*
A172550
A172551
A172552
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified August 1 19:22 EDT 2024. Contains 374817 sequences. (Running on oeis4.)