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A207677 Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically 0

%I #6 Dec 18 2015 18:18:01

%S 2,16,72,436,2310,11994,65564,379618,2306234,15546084,105736196,

%T 882008157,7460256028,79554888778,842718226878,10871887456045,

%U 151150820925264,2491064356652975,43353562677488606,900988265135221518

%N Number of n X n 0..1 arrays avoiding 0 0 0 and 1 0 1 horizontally and 0 0 1 and 1 1 1 vertically

%C Diagonal of A207682

%e Some solutions for n=4

%e ..0..1..1..0....1..1..0..0....0..1..1..0....0..1..0..0....1..0..0..1

%e ..0..1..0..0....0..0..1..0....1..0..0..1....0..0..1..0....1..1..1..0

%e ..0..0..1..0....0..1..1..0....1..1..1..1....0..1..0..0....0..1..1..1

%e ..0..1..1..0....0..1..0..0....0..0..1..0....0..0..1..0....1..0..0..1

%K nonn

%O 1,1

%A _R. H. Hardin_ Feb 19 2012

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Last modified April 23 03:30 EDT 2024. Contains 371906 sequences. (Running on oeis4.)