搜索： 编号：a266081
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A266081型
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| T（n，k）=nXk整数数组的数量，每个元素等于水平和垂直邻居的数量，与自身相差正好一。 |
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7
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1, 1, 1, 2, 1, 2, 1, 4, 4, 1, 1, 1, 4, 1, 1, 2, 1, 6, 6, 1, 2, 1, 4, 5, 5, 5, 4, 1, 1, 1, 12, 7, 7, 12, 1, 1, 2, 1, 10, 26, 29, 26, 10, 1, 2, 1, 4, 16, 23, 29, 29, 23, 16, 4, 1, 1, 1, 21, 35, 55, 78, 55, 35, 21, 1, 1, 2, 1, 31, 64, 115, 146, 146, 115, 64, 31, 1, 2, 1, 4, 42, 99, 221, 364, 466, 364
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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抵消
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1,4
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评论
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表格开始
.1.1..2..1...1....2....1.....1......2......1.......1........2........1
.1.1..4..1...1....4....1.....1......4......1.......1........4........1
.2.4..4..6...5...12...10....16.....21.....31......42.......66.......89
.1.1..6..5...7...26...23....35.....64.....99.....161......276......431
.1.1..5..7..29...29...55...115....221....443.....851.....1659.....3318
.2.4.12.26..29...78..146...364....783...1773....4170.....9548....21795
.1.1.10.23..55..146..466..1155...3364...9229...25566....70308...196647
.1.1.16.35.115..364.1155..3907..12510..41683..136701...446548..1484311
.2.4.21.64.221..783.3364.12510..52773.196401..781997..3116201.12334789
.1.1.31.99.443.1773.9229.41683.196401.925875.4351555.20635583.96976290
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链接
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配方奶粉
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第k列的经验值：
k=1:a（n）=a（n-3）
k=2:a（n）=a（n-3）
k=3:a（n）=a（n-1）+a（n-3）+a
k=4：[订单63]
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例子
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n=4 k=4的所有解
..0..2..3..2....0..0..0..0....0..0..0..0....2..3..2..0....0..0..0..0
..0..3..4..3....2..3..2..0....0..2..3..2....3..4..3..0....0..0..0..0
..0..2..3..2....3..4..3..0....0..3..4..3....2..3..2..0....0..0..0..0
..0..0..0..0....2..3..2..0....0..2..3..2....0..0..0..0....0..0..0..0
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