搜索: 编号:a267244
|
|
A267244型
|
| 行和不变、列按字典顺序不变的n X 7二进制数组的数量。 |
|
+0 1
|
|
|
8, 70, 904, 18205, 516084, 17892539, 683027146, 27044976947, 1079112886476, 42860145907558, 1687239907979286, 65777529883058423, 2540922972496976428, 97351678797063744735, 3703224984260808730288, 139993814565092144904305
(列表;图表;参考;听;历史;文本;内部格式)
|
|
|
抵消
|
1,1
|
|
评论
|
|
|
链接
|
常系数线性递归的索引项,签名(236, -25680, 1717504, -79417394, 2707798440, -70899406188, 1465896913824, -24421757248431, 332861244138564, -3755300016546300, 35390628699049728, -280610566308801516, 1882413463252467120, -10729331312513919192, 52123544280277991616, -216277785263000273775, 767370439659990868020, -2328674591889971376488, 6039623808173911907968, -13364805995823788545362, 25161918805489259088488, -40140151907739595227388, 53955000634729356546720, -60650423670523051920321, 56445409553303282568732, -42910761548685014780364, 26160176586524646234240, -12460398044348337274800, 4460624272170497592000, -1127355192728480520000, 179146175950526400000, -13449500030736000000).
|
|
配方奶粉
|
经验:a(n)=236*a(n-1)-25680*a(n-2)+1717504*a(n3)-79417394*a(-n4)+2707798440*a(n-5)-70899406188*a(名词-6)+1465896913824*a(n-12)+1882413463252467120(n-13)-1072931312513919192(n-14)+52123544280277991616*a(n-15)-216277785263000273775*a 23)-60650423670523051920321*a(n-24)+56445409553303282568732*a(n-25)-42910761548685014780364*a(n-26)+26160176586524646240*a(-n27)-1246039044348337274800*a(-28)+4460624272170497592000*a(n29)-112735192728480520000*a。
|
|
例子
|
n=4的一些解决方案:
0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 1
0 0 0 0 0 0 0 0 0 0 0 1 0 1 0 0 0 1 1 1 0
0 0 0 0 1 1 1 0 0 1 1 0 0 0 0 0 1 0 1 1 0
0 0 1 1 0 1 1 0 1 1 1 1 0 0 0 0 1 1 0 1 0
|
|
MAPLE公司
|
S[2]:=[[0,0,0],[0,0,1],[0,1,1],[1,0,1],[1],1,0],[1,1,1]]:
因为我从3点到7点
S[i]:=映射(过程(t)[op(t[1..i-1]),t[i-1],op(t[i.-1],
[操作(t[1..i-1]),1-t[i-1],操作(t[i.-1]),1]结束程序,S[i-1]])
日期:
状态:=S[7]:
T: =矩阵(1458,1458,proc(i,j)局部k;
如果add(states[j,k]-states[i,k],k=1..7)>0,则返回0fi;
对于从8到13的k,如果状态[j,k]>状态[i,k],则返回0 fiod;
对于从1到6的k,如果状态[i,k]>=状态[i,k+1]和状态[j,k+7]<>状态[i,k+7],则返回0 fiod;
1
结束进程):
E: =矢量(1458):E[1]:=1:
U[0]:=矢量[行](1458,1):
对于从1到32的k,执行U[k]:=U[k-1]。日期:
|
|
交叉参考
|
|
|
关键词
|
非n
|
|
作者
|
|
|
状态
|
经核准的
|
|
|
搜索在0.006秒内完成
|