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| A197886号 |
| nX5 0..4数组的数量，其中每个元素x等于其水平和垂直邻接数等于0,2,1,1,1，x=0,1,2,3,4 |
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1
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1, 18, 77, 835, 2730, 17890, 92843, 567991, 3000116, 17111462, 94740977, 537643352, 2995145891, 16728999681, 93489922434, 524952952537, 2940191924830, 16425787144594, 91861015115420, 514650900540840, 2882700958009902
(列表；图表；参考；听；历史；文本；内部格式)
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抵消
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1,2
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评论
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每个0紧挨着0 0，每个1紧挨着1 2，每个2紧挨着2 1，每个3紧挨着3 1，每个4紧挨着4 1
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链接
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例子
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某些解包含n=4的所有值0到4
..2..1..0..1..2....1..2..2..1..0....1..2..2..1..1....2..1..0..1..2
..1..0..2..1..1....0..1..1..1..2....0..1..1..0..2....1..0..2..1..1
..1..3..1..4..1....2..1..4..1..1....2..1..4..1..1....3..1..1..4..1
..2..1..0..1..2....1..3..1..2..0....1..3..1..2..0....1..2..0..1..2
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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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