A163046 Number of n X n binary arrays with all 1s connected, and all corners 1

1, 1, 12, 540, 101950, 75185550, 210133770712

Offset

1,3

Links

Table of n, a(n) for n=1..7.

Crossrefs

Sequence in context: A285748 A184423 A064344 * A193381 A224539 A210816

Adjacent sequences: A163043 A163044 A163045 * A163047 A163048 A163049

Keyword

nonn

Author

R. H. Hardin Jul 20 2009

Status

approved