| 评论
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三角形T(n,k),0<=<=k个<=<=n、 按行读取,由[0,0,1,0,0,1给定, ...](, ...] (周期序列0,0,1)DELTA[1,1,0,1,1,0,1,0, ...](, ...] (周期序列1,1,0),其中DELTA是在A084938号. - __菲利普·德雷厄姆(Philippe Deléham),2006年8月18日
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| 例子
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.[1],
1;
[ 0,,1],;
.[ 0,,0,,2],;
[ 0,,0,,1,,4],;
.[ 0,,0,,1,,5,,8],;
.[ 0,,0,,1,,7,,18,,16],;
.[ 0,,0,,1,,9,,34,,56,,32],;
.[ 0,,0,,1,,11,,55, 138, 160,,64];
.[ 0,,0,,1,,13,,81, 275, 500, 432, 128];
...
...
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