A172626 Number of n X n 0..2 arrays with row sums 9 and column sums 9

0, 0, 0, 0, 120, 16214000, 7873709050620, 9350902053107858880, 26088526624958727703324771, 162526525004284727135887319788800, 2143395673887060254676185406326252145600

Offset

1,5

Links

R. H. Hardin, Table of n, a(n) for n=1..17

Crossrefs

Sequence in context: A003922 A210279 A367569 * A258926 A357545 A294320

Adjacent sequences: A172623 A172624 A172625 * A172627 A172628 A172629

Keyword

nonn

Author

R. H. Hardin Feb 06 2010

Status

approved