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A172588 Number of 5*n X 20 0..1 arrays with row sums 4 and column sums n 1
305540235000, 2532230252503738514963235000, 189746842198224628153363826062842999921000000, 37911589613425952733393718264069147678877877626169022024515000 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

R. H. Hardin, Table of n, a(n) for n=1..10

CROSSREFS

Sequence in context: A273936 A287247 A172578 * A172691 A172785 A172847

Adjacent sequences:  A172585 A172586 A172587 * A172589 A172590 A172591

KEYWORD

nonn

AUTHOR

R. H. Hardin Feb 06 2010

STATUS

approved

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Last modified June 27 13:50 EDT 2022. Contains 354896 sequences. (Running on oeis4.)