A163027 Number of n X 10 binary arrays with all 1s connected and a path of 1s from left column to lower right corner.

1, 5741, 6951884, 4934223120, 2923988203008, 1621239052172632, 873763153603540647, 464635489571812944863, 245440601928412204459271, 129219019265088217493923647, 67915302053174081308339189740, 35664156930789419819766140039057, 18719908307851187191148922298983305

Offset

1,2

Links

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

Crossrefs

Row 10 of A391489.

Sequence in context: A224726 A378491 A043484 * A069301 A218048 A202419

Adjacent sequences: A163024 A163025 A163026 * A163028 A163029 A163030

Keyword

nonn

Author

R. H. Hardin, Jul 20 2009

Extensions

a(7) onward from Andrew Howroyd, Dec 22 2025

Status

approved