%I#8 2018年6月6日09:05:31
%S 9216186624377913678428736163151366434026967296710001723456,
%电话:148190506007043093231109570566456825742349376134781435261831744,
%电话:2813473850104420416587294948937656424961225941854009002910784
%N具有列和行对总和b(i,j)=a(i,j-1)+a(i、j-1)和c。
%C还有0..2个数组,没有2 X 2子块,具有相等的对角元素或相等的反对角元素。
%H R.H.Hardin,n表,n=1..210的a(n)</a>
%F经验:a(n)=25*a(n-1)-45*a(n-2)-963*a(n-3)+2025*a(n-4)+3645*a(n-5)-6561*a(n-6)。
%F经验公式:576*x*(16-76*x-819*x^2+2124*x^3+3321*x^4-6561*x^5)/(1-25*x+90*x^2-81*x^3)*(1-45*x^2-81*x*x^2))_科林·巴克,2018年6月6日
%e n=5的一些解决方案:
%e。。2..1..1..1..0..1....0..0..2..1..0..2....2..2..1..2..2..1....1..1..2..2..2..1
%e。。0...0..2..2...2..1..1..1..2..1..0..1..0...0...0...0...0...2...0...0...0...0...0...0...1...0...0
%e。。2..1..1..0..0..0....0..0..2..1..0..2....1..2..2..2..1..2....1..1..2..1..2..2
%e。。2..0..2..2..1..1....1..1..2..1..0..2....1..0..1..0..0..2....2..0..2..0..0..0
%e。。1..1..1..0..0..0....2..0..2..1..0..2....2..2..1..2..1..2....1..0..2..1..2..1
%e。。2..2..2..2..1..1....1..0..2..1..0..1....0..0..0..0..0..2....1..0..2..1..2..0
%K nonn公司
%O 1,1号机组
%A R.H.Hardin,2012年1月10日
|