A172587 - OEIS

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A172587

Number of 5*n X n 0..1 arrays with row sums 3 and column sums 15.

0, 0, 1, 11732745024, 9647422924194982967040, 104923772318750486122754981962387200, 11251027489082268563385494644966780470231583948800

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,4

LINKS

R. H. Hardin, Table of n, a(n) for n=1..13

CROSSREFS

Sequence in context: A247312 A204780 A333131 * A172581 A213534 A366897

Adjacent sequences: A172584 A172585 A172586 * A172588 A172589 A172590

KEYWORD

nonn

AUTHOR

R. H. Hardin, Feb 06 2010

STATUS

approved