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(来自的问候整数序列在线百科全书!)
A239361型 T(n,k)=没有元素的nXk 0..2数组的数量等于1加上左边元素的总和或1加上上面元素的总和,或1加上朝西北方向对角的元素总和,模3 5
2, 3, 3, 4, 7, 4, 5, 10, 10, 5, 6, 13, 17, 13, 6, 7, 16, 25, 25, 16, 7, 8, 19, 32, 43, 32, 19, 8, 9, 22, 39, 60, 60, 39, 22, 9, 10, 25, 46, 77, 106, 77, 46, 25, 10, 11, 28, 53, 96, 156, 156, 96, 53, 28, 11, 12, 31, 60, 117, 218, 266, 218, 117, 60, 31, 12, 13, 34, 67, 140, 299, 409, 409 (列表;桌子;图表;参考;;历史;文本;内部格式)
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表格开始
..2..3..4...5...6....7....8....9....10....11....12....13.....14.....15.....16
..3..7.10..13..16...19...22...25....28....31....34....37.....40.....43.....46
..4.10.17..25..32...39...46...53....60....67....74....81.....88.....95....102
..5.13.25..43..60...77...96..117...140...165...192...221....252....285....320
..6.16.32..60.106..156..218..299...399...524...680...874...1113...1404...1754
..7.19.39..77.156..266..409..599...852..1191..1635..2213...2944...3837...4910
..8.22.46.96.218..409..729.1154.1742.2550.3625.5080.6985.9338.12170
..9.25.53.117.299..599.1154.2151..3568..5605..8500.12681..18578..26346..36540
.10.28.60.140.399..852.1742.3568..7018.12171.19958.32247..50678..76983.114180
.11.31.67.165.524.1191.2550.5605.12171.24408.44086.76871.129200.207531.321665
链接
配方奶粉
k列的经验值:
k=1:a(n)=n+1
k=2:a(n)=3*n+1,对于n>1
k=3:a(n)=7*n-3,对于n>3
k=4:a(n)=n^2+6*n+5,对于n>4
k=5:a(n)=(7/6)*n^3-(39/2)*n*2+(538/3)*n-486,对于n>8
k=6:a(n)=(8/3)*n^3-(45/2)*n*2+(257/6)*n+330对于n>13
k=7:a(n)=7*n^3-54*n^2-37*n+1252,对于n>16
k=8:a(n)=(1/60)*n^5+(7/6)*n*4-(191/12)*n|3-(1585/6)*n ^2+(107409/10)*n-83947,对于n>19
k=9:a(n)=(17/120)*n^5+(99/8)*n_4-(13123/24)*n_3+(66545/8)*n_2-(702297/20)*n-124231,对于n>27
k=10:a(n)=(77/60)*n^5-(23/24)*n^4+(1018/3)*n^3-(1527013/24)*n^2+(104192693/60)*n-14129021,对于n>32
k=11:a(n)=(1/30)*n^6+(86/15)*n*5-(2011/24)*n_4+(48925/12)*n_3-(48669569/120)*n_2+(684129941/60)*n-101487598,对于n>37
例子
n=5k=4的一些解
..0..0..0..0....0..0..0..0....0..0..0..2....0..0..0..2....0..0..0..0
..0..0..0..0....0..0..0..2....0..0..2..2....0..0..0..2....0..0..0..2
..0..0..0..2....0..0..0..2....0..0..2..1....0..0..0..0....0..0..2..2
..0..0..2..2....0..0..0..0....2..2..0..1....0..0..0..0....0..0..2..1
..0...0...2..1..0...0...0...2...2...1...2...2...0...0...0...0...0...2
交叉参考
关键词
非n,
作者
R.H.哈丁2014年3月17日
状态
经核准的

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