A172585 Number of 5*n X n 0..1 arrays with row sums 4 and column sums 20

0, 0, 0, 1, 623360743125120, 24935177268489106332174087326700, 11251027489082268563385494644966780470231583948800, 54940328391880874295213395391276439149434232556146955107851631952500

Offset

1,5

Links

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

Crossrefs

Sequence in context: A261149 A104873 A297450 * A336968 A321709 A338608

Adjacent sequences: A172582 A172583 A172584 * A172586 A172587 A172588

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved