1,1

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

Chaim Goodman-Strauss, Notes on the number of m × n binary arrays with all 1’s connected and a path of 1’s from top row to bottom row (May 21 2020)

Chaim Goodman-Strauss, Mma notebook to accompany the above document

For a formula see the Goodman-Strauss links. - N. J. A. Sloane, May 22 2020

Cf. A163029-A163036.

Sequence in context: A327681 A141265 A025752 * A209264 A012501 A027408

Adjacent sequences: A163029 A163030 A163031 * A163033 A163034 A163035

nonn,changed

R. H. Hardin Jul 20 2009

approved