cp's OEIS Frontend

A298893 Number of nX6 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%I A298893 #4 Jan 28 2018 09:06:35
%S A298893 0,13,11,80,579,2963,12224,72620,426475,2284203,12768382,72904621,
%T A298893 409673880,2298677918,13008113489,73461302729,414141245069,
%U A298893 2338885431088,13210876247129,74582366744334,421146376787631,2378532739728979
%N A298893 Number of nX6 0..1 arrays with every element equal to 2, 3, 5, 6 or 8 king-move adjacent elements, with upper left element zero.
%C A298893 Column 6 of A298895.
%H A298893 R. H. Hardin, <a href="/A298893/b298893.txt">Table of n, a(n) for n = 1..210</a>
%e A298893 Some solutions for n=7
%e A298893 ..0..0..0..0..1..1. .0..0..1..0..0..1. .0..0..0..1..1..0. .0..0..0..1..1..1
%e A298893 ..0..1..1..1..0..1. .0..1..1..0..1..1. .0..0..0..1..0..0. .0..0..0..1..1..1
%e A298893 ..1..0..1..0..0..1. .0..1..0..0..0..0. .1..1..1..1..1..1. .1..1..1..1..1..1
%e A298893 ..0..1..0..1..1..1. .1..0..0..0..0..0. .1..1..1..1..1..1. .1..1..1..0..0..0
%e A298893 ..0..0..0..0..0..0. .0..1..0..0..0..0. .1..1..1..1..1..1. .1..1..1..0..0..0
%e A298893 ..0..1..0..0..0..0. .0..1..1..0..1..1. .1..1..1..1..1..1. .0..0..1..1..1..1
%e A298893 ..1..1..0..0..0..0. .0..0..1..0..0..1. .1..1..1..1..1..1. .0..0..1..1..1..1
%Y A298893 Cf. A298895.
%K A298893 nonn
%O A298893 1,2
%A A298893 _R. H. Hardin_, Jan 28 2018