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A172785
Number of 5*n X 20 0..3 arrays with row sums 4 and column sums n
1
305540235000, 54918587341306311174536985000, 85504723470329847456379126545730424791071000000, 349386504852546133438847462576945313875421034231833558901433865000
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OFFSET
1,1
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..10
CROSSREFS
Sequence in context:
A172578
A172588
A172691
*
A172847
A354071
A022263
Adjacent sequences:
A172782
A172783
A172784
*
A172786
A172787
A172788
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified June 12 21:26 EDT 2024. Contains 373360 sequences. (Running on oeis4.)