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%I #4 Jul 02 2015 08:31:48
%S 472,1964,11261,42524,182654,899557,3919925,16946757,77735408,
%T 348525973,1536576910,6895676466,30940535849,137721843827,
%U 615229646787,2754036127174,12296912173643,54916113461292,245512383603304
%N Number of (n+2)X(6+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001
%C Column 6 of A259642
%H R. H. Hardin, <a href="/A259640/b259640.txt">Table of n, a(n) for n = 1..210</a>
%F Empirical: a(n) = a(n-1) +3*a(n-2) +61*a(n-3) +47*a(n-4) -60*a(n-5) -990*a(n-6) -1180*a(n-7) +352*a(n-8) +8249*a(n-9) +7603*a(n-10) -2855*a(n-11) -30388*a(n-12) -20354*a(n-13) +5185*a(n-14) +61744*a(n-15) +24167*a(n-16) -8563*a(n-17) -72780*a(n-18) -8588*a(n-19) +15051*a(n-20) +61538*a(n-21) -6778*a(n-22) -13766*a(n-23) -35716*a(n-24) +1294*a(n-25) +5880*a(n-26) +10338*a(n-27) +1680*a(n-28) -1116*a(n-30) for n>32
%e Some solutions for n=4
%e ..1..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....1..0..0..0..0..0..0..0
%e ..0..1..0..0..0..0..0..0....0..0..0..1..0..0..0..0....0..0..0..0..0..0..0..0
%e ..0..0..0..0..0..0..1..0....0..0..0..0..0..0..0..0....0..0..0..0..1..0..0..0
%e ..0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
%e ..0..0..0..1..0..0..0..0....0..0..0..0..0..0..0..0....0..0..0..0..0..0..0..0
%e ..1..0..0..0..0..0..0..0....1..0..0..0..0..0..0..1....0..0..0..1..0..0..0..0
%Y Cf. A259642
%K nonn
%O 1,1
%A _R. H. Hardin_, Jul 02 2015
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