|
| |
|
| 362175美元 |
| 包含n且其和大于或等于其补码之和的{1..n}的最小子集的数目。 |
|
6
|
|
|
|
1, 1, 1, 3, 3, 5, 10, 14, 25, 44, 71, 128, 231, 411, 740, 1352, 2481, 4570, 8390, 15550, 29103, 54345, 101312, 190316, 359827, 679051, 1279956, 2426200, 4621174, 8789565, 16701225, 31871629, 61052515, 116818123, 223333533, 428435056, 824395640, 1584833707, 3044562148, 5865073390, 11326741619, 21857561924
(列表；图表；参考；听；历史；文本；内部格式)
|
|
|
|
抵消
|
1,4
|
|
|
链接
|
|
|
|
例子
|
a（1）=1到a（8）=14子集：
{1} {2} {3} {1,4} {3,5} {5,6} {1,6,7} {3,7,8}
{2,4} {4,5} {1,4,6} {2,5,7} {4,6,8}
{3,4} {1,2,5} {2,3,6} {2,6,7} {4,7,8}
{2,4,6} {3,4,7} {5,6,8}
{3,4,6} {3,5,7} {5,7,8}
{3,6,7} {6,7,8}
{4,5,7} {1,2,7,8}
{4,6,7} {1,3,6,8}
{5,6,7} {1,4,5,8}
{1,2,4,7}{2,3,5,8}
{2,3,6,8}
{2,4,5,8}
{3,4,5,8}
{1,2,3,4,8}
|
|
|
数学
|
fasmin[y_]：=补码[y，并集@@表[Union[s，#]&/@Rest[Subsets[Complement[Union@@y，s]]，{s，y}]]；
表[Length[fasmin[Select[Subsets[Range[n]]，MemberQ[#，n]&&Plus@@#>=Plus@@Complement[Range[n]，#]&]]，{n，10}]
|
|
|
交叉参考
|
|
|
|
关键词
|
非n
|
|
|
作者
|
|
|
|
扩展
|
|
|
|
状态
|
经核准的
|
| |
|
|
