A202488 - OEIS

%I #5 Mar 31 2012 12:36:48

%S 4225,28561,298116,3111696,28005264,252047376,2377732644,22430753361,

%T 208538355600,1938777760000,18105705806400,169084146471696,

%U 1576826282769984,14704992620052736,137195887385735424

%N Number of (n+2)X6 binary arrays avoiding patterns 000 and 010 in rows, columns and nw-to-se diagonals

%C Column 4 of A202492

%H R. H. Hardin, <a href="/A202488/b202488.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 20 2011