|
%I
%S 62393,672157,7590348,86445746,963362129,10711347544,119515110620,
%T 1337168329880,14945047693907,166885634079461,1863503343104193,
%U 20816672648177087,232554300676213050,2597725853580219065
%N Number of (n+3)X9 binary arrays with no more than one of any consecutive four bits set in any row or column
%C Column 6 of A203048
%H R. H. Hardin, <a href="/A203046/b203046.txt">Table of n, a(n) for n = 1..153</a>
%e Some solutions for n=1
%e ..0..1..0..0..0..0..0..0..0....0..0..1..0..0..0..0..0..0
%e ..0..0..1..0..0..0..0..0..0....0..1..0..0..0..0..0..0..0
%e ..0..0..0..0..1..0..0..0..0....1..0..0..0..0..0..0..0..1
%e ..0..0..0..0..0..0..0..0..0....0..0..0..0..0..1..0..0..0
%K nonn
%O 1,1
%A _R. H. Hardin_ Dec 27 2011
| 