|
%I #7 May 11 2023 14:33:02
%S 9066168,4173269994,2044563391476,1000411106914620,493359058239095898,
%T 243566994040674992586,120347170141816347874560,
%U 59477821878604876659005166,29397763055311784589920812344
%N Number of (n+1) X 8 0..2 arrays with no 2 X 2 subblock trace equal to any horizontal or vertical neighbor 2 X 2 subblock trace.
%C Column 7 of A186141.
%H R. H. Hardin, <a href="/A186139/b186139.txt">Table of n, a(n) for n = 1..14</a>
%e Some solutions for 3 X 8
%e ..0..0..0..0..0..1..0..1....0..0..0..0..2..0..2..0....0..0..0..0..1..0..2..1
%e ..0..0..1..0..2..0..2..1....0..0..1..0..1..1..1..2....0..0..1..0..1..1..0..1
%e ..0..1..0..1..1..0..0..2....0..1..0..2..0..0..2..1....0..1..0..2..0..2..1..0
%Y Cf. A186141.
%K nonn
%O 1,1
%A _R. H. Hardin_, Feb 13 2011
| 