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| A223931号 |
| 行、列和反对偶单峰和对角线不减的nX6 0..2数组的数量 |
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1
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148, 4690, 49646, 316136, 1548633, 6621074, 26250443, 98910688, 356869229, 1233491661, 4078987936, 12893958739, 38971222534, 112766372283, 313016886779, 835552379045, 2150549167905, 5351315229801, 12907390753903, 30251757926890
(列表;图表;参考;听;历史;文本;内部格式)
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偏移
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1,1
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评论
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链接
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配方奶粉
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经验：a（n）=（1/356088384883312640000）*n^24-（1/98913440231240000）*n*23+（1/12843374100480000）*n~22-（6449/4257578514309120000）*n_21+（21257/30411275102080000）*n ^20-（829363/121645100408832000）*n*19+（4042109/8963318801920000）*n^18-（9123221/16598746644480000）*n=17+（633266813/175 75143505920000）*编号16-（337664083/599152619520000）*n ^15+（2727091523/144850083840000）*^14-（437501744297/941525544960000）*^13+（331492439551297/2636271525880000）*^12-（779880875442583/2929190584320000）*^11+（6466629168070943/1351934115840000）*n ^10-（1887207111269150711/2636271258880000）*n 282526794806272279/8002967132160000）*n^7+（6718409922562382243287/6956827637760000）*n^6-（39841602168544310449887/5375730447360000）*n^5+（4404199128820894274957/985550582016000）*n^4-（7353970133174044661/365018734080）*n^3+（398286504848891623/62920282880）*n^2-（651587469103938359/5354228880）*n+10240010506，适用于n>12
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例子
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n=3的一些解
..0..0..0..0..0..0....0..2..1..1..1..0....0..0..0..0..0..0....0..0..2..0..0..0
..0..1..1..0..0..0....0..2..2..2..2..2....0..1..1..1..1..1....0..1..2..2..0..0
..0..1..1..1..2..2....0..0..2..2..2..2....0..2..2..1..1..1....0..1..1..2..2..0
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交叉参考
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关键词
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非n
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作者
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状态
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经核准的
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