| 例子
|
这个 第一弗斯特三角形的行 是:
1;
1,,1;
三,,1,,1;
7,,4,,1,,1;
19,,9,,5,,1,,1;
51,,26,,11,,6,,1,,1;
141,,70,,34,,13,,7,,1,,1;
393,,197,,92,,43,,15,,8,,1,,1;
1107,,553,,265, 117,,53,,17,,9,,1,,1;
3139, 1570,,751, 346, 145,,64, 19, 10,,1, 1;
8953, 4476, 2156, 991, 441, 176, 76, 21, 11, 1, 1;
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