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A221515型 |
| T(n,k)=长度为n的0..k数组的数量,每个元素与至少一个相邻元素相差2或更多,从0开始 |
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9
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0, 0, 0, 0, 1, 0, 0, 2, 1, 0, 0, 3, 3, 2, 0, 0, 4, 7, 12, 3, 0, 0, 5, 13, 36, 30, 5, 0, 0, 6, 21, 80, 130, 89, 8, 0, 0, 7, 31, 150, 381, 532, 248, 13, 0, 0, 8, 43, 252, 884, 1970, 2088, 706, 21, 0, 0, 9, 57, 392, 1765, 5513, 9940, 8304, 1995, 34, 0, 0, 10, 73, 576, 3174, 12872, 33860
(列表;桌子;图表;参考文献;听;历史;文本;内部格式)
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抵消
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1,8个
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评论
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表格开始
.0..0.....0.......0........0.........0..........0..........0...........0
.0..1.....2.......3........4.........5..........6..........7...........8
.0..1.....3.......7.......13........21.........31.........43..........57
.0..2....12......36.......80.......150........252........392.........576
.0..3....30.....130......381.......884.......1765.......3174........5285
.0..5....89.....532.....1970......5513......12872......26477.......49598
.0.8…248…2088…9940…33860…92934…219352…463208
.0.13...706....8304....50495....208756.....672526....1819931.....4330224
.0.21..1995...32876...255980...1285694....4864004...15094631....40472105
.0.34..5652..130376..1298632...7921082...35184566..125207022...378288032
.0.55.15998..516704..6586395..48795589..254499831.1038541668..3535769160
.0.89.45297.2048264.33407907.300602292.1840896185.8614340129.33048102488
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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=2:a(n)=a(n-1)+a(n-2)
k=3:a(n)=a(n-1)+4*a(n-2)+3*a(n-3)+a(n-4)
k=4:a(n)=2*a(n-1)+6*a(n-2)+6*a(n-3)+4*a(4-4)+4*a(n-6)
k=5:a(n)=2*a(n-1)+11*a
k=6:a(n)=3*a(n-1)+14*a(n-2)+29*a
k=7:a(n)=3*a(n-1)+21*a(n-2)+58*a(n3)+79*a(4-4)+32*a(-n5)+23*a(6-6)+4*a(7-7)+8*a(8-8)
第n行的经验值:
n=2:a(k)=k-1
n=3:a(k)=k^2-3*k+3,对于k>1
n=4:a(k)=k^3-2*k^2+k
n=5:a(k)=k^4-k^3-10*k^2+33*k-34对于k>3
n=6:a(k)=k^5-20*k^3+78*k^2-146*k+125,对于k>4
n=7:a(k)=k^6+k^5-29*k^4+104*k^3-173*k^2+136*k-40,对于k>3
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例子
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n=6 k=4的一些解
..0....0....0....0....0....0....0....0....0....0....0....0....0....0....0....0
..4....2....4....4....4....2....2....3....2....4....2....3....2....4....3....4
..1....4....2....1....4....2....0....3....0....3....0....0....4....1....4....4
..2....0....2....2....2....0....3....1....4....1....3....4....3....3....2....0
..4....0....4....0....1....3....2....0....2....1....4....0....0....4....2....3
..2....2....2....2....4....0....4....4....0....4....1....4....3....1....0....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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