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A269276号 |
| T(n,k)=带有某些元素和一些水平或反对角线相邻元素的nXk 0..3阵列的数量,总共三个,正好一次。 |
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14
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0, 4, 0, 24, 108, 0, 108, 1368, 1620, 0, 432, 13896, 46872, 20412, 0, 1620, 127512, 1104264, 1365336, 236196, 0, 5832, 1104264, 23549400, 74853576, 36673560, 2598156, 0, 20412, 9211608, 474819408, 3719884392, 4684312584, 938176344
(列表;桌子;图表;参考;听;历史;文本;内部格式)
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偏移
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1,2
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评论
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表格开始
.0........4..........24............108...............432................1620
.0......108........1368..........13896............127512.............1104264
.0.....1620.......46872........1104264..........23549400...........474819408
.0....20412.....1365336.......74853576........3719884392........174924572760
.0...236196....36673560.....4684312584......542973139128......59587625651904
.0..2598156...938176344...279339197256....75556007986536...19356924219624936
0.27634932.23230366488.16128206816904.10181956012212600.6090616046325570480
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链接
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配方奶粉
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k列的经验值:
k=1:a(n)=a(n-1)
k=2:a(n)=18*a(n-1)-81*a(n-2)
k=3:a(n)=42*a(n-1)-441*a(n-2)
k=4:当n>3时,a(n)=98*a(n-1)-2401*a(n-2)
k=5:a(n)=234*a(n-1)-14277*a(n-2)+68796*a(n3)-86436*a(-n4)
k=6:对于n>7,[顺序6]
k=7:对于n>11,[顺序10]
第n行的经验值:
n=1:a(n)=6*a(n-1)-9*a(n-2)
n=2:a(n)=14*a(n-1)-49*a(n-2),对于n>4
n=3:a(n)=36*a(n-1)-378*a(n-2)+972*a(n-3)-729*a(n-4),对于n>7
n=4:对于n>12,[顺序8]
n=5:对于n>23,[订单18]
n=6:对于n>46,[阶数40]
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例子
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n=3k=4的一些解
..0..2..0..1. .0..0..0..0. .0..2..0..0. .0..0..0..0. .0..0..2..0
..0..2..3..1. .2..2..0..0. .2..2..3..1. .2..0..2..1. .0..2..2..3
..2..1..0..2. .3..2..1..1. .0..1..0..2. .0..0..1..3. .3.1.1.1.0
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交叉参考
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关键词
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作者
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状态
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经核准的
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