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Number of (n+2)X8 0..1 matrices with each 3X3 subblock having the same population
1

%I #4 Apr 13 2013 08:24:42

%S 62720,80160,103232,135872,215744,356352,630080,1352064,3050048,

%T 7286336,19187264,51676800,142349120,406197120,1168788032,3391042112,

%U 9967045184,29393584512,86973508160,258663771264,770373059648,2297634053696

%N Number of (n+2)X8 0..1 matrices with each 3X3 subblock having the same population

%C Column 6 of A224651

%H R. H. Hardin, <a href="/A224649/b224649.txt">Table of n, a(n) for n = 1..36</a>

%e Some solutions for n=2

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

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Apr 13 2013