A181233 Number of nX(n+3) binary matrices with all rows unique and all columns unique

0, 0, 20160, 57415680, 418910083200, 9841604944066560, 811677284745084979200, 246193686664597924471296000, 282802656455710907157732271104000, 1254507391643066981024665558462201036800

Offset

1,3

Links

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

Formula

a(n) = A181230(n,n+3).

Crossrefs

Third subdiagonal of A181230.

Cf. A088310, A181231, A181232.

Sequence in context: A011786 A003801 A305186 * A262776 A119648 A127224

Adjacent sequences: A181230 A181231 A181232 * A181234 A181235 A181236

Keyword

nonn

Author

R. H. Hardin Oct 10 2010

Extensions

More terms from Max Alekseyev, Jun 18 2016

Status

approved