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例子
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数组开头为:
1, 2, 3, 4, 5, 6, 7, 8, 9, ...A000027号;
1, 2, 4, 7, 10, 13, 16, 19, 22, ...A033627号;
1, 2, 4, 8, 15, 22, 29, 36, 43, ...A026474号;
1, 2, 4, 8, 16, 31, 46, 61, 76, ...A051039号;
1, 2, 4, 8, 16, 32, 63, 94, 125, ...A051040型;
1, 2, 4, 8, 16, 32, 64, 127, 190, ... ;
1, 2, 4, 8, 16, 32, 64, 128, 255, ... ;
1, 2, 4, 8, 16, 32, 64, 128, 256, ... ;
1, 2, 4, 8, 16, 32, 64, 128, 256, ... ;
反对角线三角形的开头为:
1;
2, 1;
3, 2, 1;
4, 4, 2, 1;
5, 7, 4, 2, 1;
6, 10, 8, 4, 2, 1;
7, 13, 15, 8, 4, 2, 1;
8, 16, 22, 16, 8, 4, 2, 1;
9, 19, 29, 31, 16, 8, 4, 2, 1;
10, 22, 36, 46, 32, 16, 8, 4, 2, 1;
11, 25, 43, 61, 63, 32, 16, 8, 4, 2, 1;
12, 28, 50, 76, 94, 64, 32, 16, 8, 4, 2, 1;
13, 31, 57, 91, 125, 127, 64, 32, 16, 8, 4, 2, 1;
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