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A172575
Number of 4*n X n 0..1 arrays with row sums 3 and column sums 12
1
0, 0, 1, 63063000, 149144498504001000, 2834492178580299130305958000, 337799058758556439723480176591336120000, 203269774721184658406475682049947158681837795504000
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OFFSET
1,4
LINKS
R. H. Hardin,
Table of n, a(n) for n=1..16
CROSSREFS
Sequence in context:
A017539
A227150
A186140
*
A172583
A172683
A172777
Adjacent sequences:
A172572
A172573
A172574
*
A172576
A172577
A172578
KEYWORD
nonn
AUTHOR
R. H. Hardin
Feb 06 2010
STATUS
approved
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Last modified April 18 22:18 EDT 2024. Contains 371782 sequences. (Running on oeis4.)
