A163701 Number of n X 8 binary arrays with all 1s connected, a path of 1s from top row to lower right corner, and no 1 having more than two 1s adjacent.

8, 187, 2359, 24940, 245117, 2108910, 17293440, 142650787, 1186062939, 9748579705, 78331197999, 616051736667, 4774433039730, 36671662759033, 279841728990961, 2122024519952319, 15985116980442800, 119644874809919458, 890398877060348833, 6593713757801443343, 48617925698218157384

Offset

1,1

Links

Andrew Howroyd, Table of n, a(n) for n = 1..200

Crossrefs

Column 8 of A391823.

Sequence in context: A197748 A198153 A197233 * A354407 A244438 A380648

Adjacent sequences: A163698 A163699 A163700 * A163702 A163703 A163704

Keyword

nonn

Author

R. H. Hardin, Aug 03 2009

Extensions

a(8) onward from Andrew Howroyd, Dec 23 2025

Status

approved