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A196337号
T(n,k)=nXk 0..4个数组的数量,每个元素x等于其水平和垂直邻域的数量,等于4,0,3,1,2,对于x=0,1,2,3,4
7
1, 3, 3, 4, 5, 4, 5, 8, 8, 5, 8, 17, 7, 17, 8, 12, 34, 50, 50, 34, 12, 17, 62, 111, 335, 111, 62, 17, 25, 123, 259, 894, 894, 259, 123, 25, 37, 243, 744, 3246, 3793, 3246, 744, 243, 37, 54, 471, 1840, 14973, 25295, 25295, 14973, 1840, 471, 54, 79, 924, 4761, 64423
抵消
1,2
评论
每个0紧邻0 4,每个1紧邻1 0,每个2紧邻2 3,每个3紧邻3 1,每个4紧邻4 2
表格开始
..1...3.....4.......5........8.........12..........17............25
..3...5.....8......17.......34.........62.........123...........243
..4...8.....7......50......111........259.........744..........1840
..5..17....50.....335......894.......3246.......14973.........64423
..8..34...111.....894.....3793......25295......169152........868710
.12..62...259....3246....25295.....237905.....1783508......14742650
.17.123...744...14973...169152....1783508....20775275.....288083607
.25.243..1840...64423...868710...14742650...288083607....5845172493
.37.471..4761..270901..4661189..131257701..3804352736...96877056239
.54.924.12491.1067992.28620947.1161104389.45025949276.1661781001020
链接
例子
n=6 k=4的一些解
..1..1..0..0....1..3..1..0....0..1..1..0....0..1..1..0....1..3..1..0
..0..3..1..1....0..1..3..1....0..1..1..0....1..3..1..0....0..1..3..0
..0..1..1..1....0..1..3..1....0..1..1..0....1..3..1..0....1..3..1..0
..1..3..0..0....0..3..1..0....0..1..3..0....0..1..3..0....1..3..1..0
..1..1..0..0....0..1..3..1....0..3..1..1....1..3..1..0....0..1..3..0
..0..1..1..1....1..1..0..1....1..1..0..1....1..0..1..1....0..1..1..0
交叉参考
关键词
非n,
作者
R.H.哈丁2011年10月1日
状态
经核准的