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A163031 Number of nX5 binary arrays with all 1s connected and a path of 1s from top row to bottom row 2

%I

%S 15,245,5191,104989,2075271,40792921,801218515,15736428305,

%T 309080891641,6070750256417,119237718452471,2341990743046197,

%U 45999883370408813,903500281246849523,17745974522766912147,348555078644003475079

%N Number of nX5 binary arrays with all 1s connected and a path of 1s from top row to bottom row

%H R. H. Hardin, <a href="/A163031/b163031.txt">Table of n, a(n) for n=1..21</a>

%H Chaim Goodman-Strauss, <a href="/A163029/a163029.pdf">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</a> (May 21 2020)

%H Chaim Goodman-Strauss, <a href="/A163029/a163029.nb">Mma notebook to accompany the above document</a>

%F For a formula see the Goodman-Strauss links. - _N. J. A. Sloane_, May 22 2020

%Y Cf. A163029-A163036.

%K nonn,changed

%O 1,1

%A _R. H. Hardin_ Jul 20 2009

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Last modified May 31 10:42 EDT 2020. Contains 334748 sequences. (Running on oeis4.)