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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 (list; graph; refs; listen; history; text; internal format)
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 24 22:26 EDT 2019. Contains 322446 sequences. (Running on oeis4.)