login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..3 nX6 array
1

%I #4 Dec 02 2012 13:32:18

%S 21,2199,131978,7542829,441412699,25862914118,1513751822570,

%T 88598966974708,5185871091616559,303538715007889396,

%U 17766656713730059860,1039913922040638093334,60868009800206579292733

%N Unmatched value maps: number of nX6 binary arrays indicating the locations of corresponding elements not equal to any horizontal, vertical or antidiagonal neighbor in a random 0..3 nX6 array

%C Column 6 of A219985

%H R. H. Hardin, <a href="/A219983/b219983.txt">Table of n, a(n) for n = 1..14</a>

%e Some solutions for n=3

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

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

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

%K nonn

%O 1,1

%A _R. H. Hardin_ Dec 02 2012