A172547 Number of 2*n X n 0..1 arrays with row sums 5 and column sums 10

0, 0, 0, 0, 1, 7484400, 807998767676100, 231528006523766358806400, 176264656064665625137392456544800, 343706681395653993021794459883981791479056

Offset

1,6

Links

R. H. Hardin, Table of n, a(n) for n=1..20

Crossrefs

Sequence in context: A375418 A233702 A233707 * A172599 A172705 A105003

Adjacent sequences: A172544 A172545 A172546 * A172548 A172549 A172550

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved