%I#4 2014年1月10日07:34:53
%电话:4325022602315338684740889337887612415668751459008798,
%电话:88489655834689173668924957514929311884613128495682088960329,
%电话:247401567034651084980986187435986901071266176343269421008966582461642318
%N具有2X2子块平方和的(N+1)X(2+1)0..2数组的个数按字典顺序不递减行和不递增列
%A235421的C列2
%H R.H.Hardin,n表,n=1..210的a(n)</a>
%e n=3的一些解
%e。。2..1..1....2..0..2....1..1..0....1..0..0....1..2..0....2..0..0....1..1..0
%e。。2..2..2....0..0..0....0..1..0....2..0..0....0..1..1....1..0..2....1..0..1
%e。。2..2..1....1..2..0....2..1..2....1..2..0....2..2..1....2..0..0....2..2..0
%e。。2..2..2....2..1..1....2..0..1....0..2..2....2..1..0....1..2..1....1..1..2
%K nonn公司
%O 1,1号机组
%A R.H.Hardin,2014年1月10日