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A172762
Number of 2*n X n 0..3 arrays with row sums n and column sums 2*n
1
1, 19, 28681, 3017084995, 37642786694586601, 58256290618618126540488181, 11402923087449460426136950157514212457, 300748551220458753215613602117054376767307058363395
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OFFSET
1,2
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..10
CROSSREFS
Sequence in context:
A249907
A233105
A013528
*
A203703
A068734
A216529
Adjacent sequences:
A172759
A172760
A172761
*
A172763
A172764
A172765
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified July 29 03:46 EDT 2024. Contains 374727 sequences. (Running on oeis4.)
