%I #4 Dec 16 2017 07:07:00
%S 21,480,6241,125765,2607478,52756072,1109882746,23359296497,
%T 492457987101,10402250973413,219775565244891,4644590743236824,
%U 98165206674288770,2074840058451866478,43855171635171730011,926958389641748039690
%N Number of nX6 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 0, 2 or 3 neighboring 1s.
%C Column 6 of A296588.
%H R. H. Hardin, <a href="/A296586/b296586.txt">Table of n, a(n) for n = 1..210</a>
%e Some solutions for n=4
%e ..0..1..0..0..1..0. .0..1..1..1..1..1. .0..1..0..0..1..0. .0..1..0..0..0..1
%e ..1..1..0..0..0..1. .1..0..0..1..0..1. .0..0..0..0..0..0. .0..0..1..1..0..0
%e ..1..0..0..0..0..0. .1..1..0..0..0..1. .0..0..0..0..0..1. .1..0..1..0..1..1
%e ..0..0..0..1..0..0. .1..0..0..0..1..1. .1..0..0..0..0..0. .0..0..1..1..1..0
%Y Cf. A296588.
%K nonn
%O 1,1
%A _R. H. Hardin_, Dec 16 2017