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A221396号
T(n,k)=每个元素保持静止或移动到某个水平、垂直或反对角线邻居后的nXk占用数组数,每个占用等于0或2
0, 2, 2, 0, 6, 0, 4, 18, 18, 4, 0, 54, 0, 54, 0, 8, 162, 631, 631, 162, 8, 0, 486, 0, 7678, 0, 486, 0, 16, 1458, 23188, 93398, 93398, 23188, 1458, 16, 0, 4374, 0, 1137850, 0, 1137850, 0, 4374, 0, 32, 13122, 852298, 13857444, 55533104, 55533104, 13857444
抵消
1,2
评论
表格开始
..0.....2......0.........4........0..........8........0..........16..........0
..2.....6.....18........54......162........486.....1458........4374......13122
..0....18......0.......631........0......23188........0......852298..........0
..4....54....631......7678....93398....1137850.13857444...168717375.2053766992
..0...162......0.....93398........0...55533104........0.32910740654
..8...486..23188...1137850.55533104.2701660543
..0..1458......0..13857444........0
.16..4374.852298.168717375
..0.13122......0
.32.39366
..0
链接
例子
n=3k=4的一些解
..0..0..2..0....0..0..2..2....2..0..2..0....2..0..0..2....2..2..0..2
..2..0..2..2....2..0..0..0....2..0..0..2....0..0..2..2....2..2..0..0
..2..0..0..2....2..2..0..2....2..2..0..0....2..0..0..2....0..0..0..2
关键词
非n,
作者
R.H.哈丁2013年1月14日
状态
经核准的

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