A163036 Number of nX10 binary arrays with all 1s connected and a path of 1s from top row to bottom row

55, 23527, 18914231, 11903604235, 6715679348165, 3637116511064523

Offset

1,1

Links

Table of n, a(n) for n=1..6.

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

Formula

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

Crossrefs

Cf. A163029-A163035.

Sequence in context: A221772 A221123 A231826 * A358785 A033512 A201008

Adjacent sequences: A163033 A163034 A163035 * A163037 A163038 A163039

Keyword

nonn

Author

R. H. Hardin Jul 20 2009

Status

approved