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(来自的问候整数序列在线百科全书!)
A252032型 T(n,k)=每3X3子块行、列、对角线和反对角线之和不等于0 2或4的(n+2)X(k+2)0..2个数组的数目 9
213, 227, 227, 357, 323, 357, 809, 781, 781, 809, 1805, 1929, 2206, 1929, 1805, 4259, 5285, 7182, 7182, 5285, 4259, 10251, 14831, 24664, 29781, 24664, 14831, 10251, 24331, 41745, 85199, 126920, 126920, 85199, 41745, 24331, 57385, 117867, 295050 (列表;桌子;图表;参考;;历史;文本;内部格式)
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表格开始
....213....227......357.......809.......1805........4259........10251
....227....323......781......1929.......5285.......14831........41745
....357....781.....2206......7182......24664.......85199.......295050
....809...1929.....7182.....29781.....126920......541544......2306234
...1805...5285....24664....126920.....672903.....3560831.....18791972
...4259..14831....85199....541544....3560831....23454804....153768348
..10251..41745...295050...2306234...18791972...153768348...1251157837
..24331.117867..1022761...9836361...99214423..1007751301..10174456397
..57385.332997..3550805..42007667..524431707..6615116021..82884616652
.135913.941237.12331430.179412369.2773560231.43445771467.675475186716
链接
配方奶粉
k列的经验值:
k=1:n>14时[第11阶线性递归]
k=2:n>18时[订单14]
k=3:n>33时[订单29]
k=4:对于n>50,[订单46]
k=5:对于n>88,[订单83]
例子
n=4k=4的一些解
..2..2..2..1..2..0....1..2..2..1..2..0....2..1..2..2..2..2....2..2..2..2..2..2
..1..2..2..2..1..2....2..2..2..2..1..2....2..2..2..2..2..2....2..2..2..2..2..2
..2..2..2..2..2..1....2..2..2..2..2..1....1..2..2..2..2..2....2..2..1..2..2..2
..2..2..2..2..2..2....2..2..2..2..2..2....2..2..1..2..2..2....2..2..2..2..2..1
..2..1..2..2..2..2....1..2..2..2..1..2....2..2..2..2..2..2....2..1..2..2..2..2
..2..2..2..1..2..2....2..2..1..2..2..2....2..2..2..2..2..2....2..2..2..2..2..2
交叉参考
关键词
非n,
作者
R.H.哈丁2014年12月12日
状态
经核准的

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