A163009 - OEIS

%I #6 Jan 06 2023 23:21:55

%S 1,1681,783150,250043151,71703384184,19934900617863,5483824484276487,

%T 1502037917021311844,410628432970492896401,112160245091369049581311,

%U 30623519350300448308681813,8359714215859160247276696744,2281871672070839340863159155338,622836891043514813722341456961744

%N Number of n X 9 binary arrays with all 1s connected and a path of 1s from upper left corner to lower right corner.

%H Andrew Howroyd, <a href="/A163009/b163009.txt">Table of n, a(n) for n = 1..200</a>

%Y Row 9 of A359573.

%K nonn

%O 1,2

%A _R. H. Hardin_, Jul 20 2009

%E Terms a(8) and beyond from _Andrew Howroyd_, Jan 06 2023