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例子
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数组开始:
1, 1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192, 16384, 32768, 65536, 131072, 262144, ...
1, 2, 5, 12, 28, 64, 144, 320, 704, 1536, 3328, 7168, 15360, 32768, 69632, 147456, 311296, 655360, 1376256, ...
1, 3, 9, 25, 66, 168, 416, 1008, 2400, 5632, 13056, 29952, 68096, 153600, 344064, 765952, 1695744, 3735552, ...
1, 4, 14, 44, 129, 360, 968, 2528, 6448, 16128, 39680, 96256, 230656, 546816, 1284096, 2990080, 6909952, ...
1, 5, 20, 70, 225, 681, 1970, 5500, 14920, 39520, 102592, 261760, 657920, 1632000, 4001280, 9708544, ...
1, 6, 27, 104, 363, 1182, 3653, 10836, 31092, 86784, 236640, 632448, 1661056, 4296192, 10961664, 27630592, ...
作为三角形(见注释):
1;
1, 1;
1, 2, 2;
1, 3, 5, 4;
1, 4, 9, 12, 8; (结束)
(1,0,0,0,0,…)DELTA(0,1,1,0,0,0…)开始:
1;
1, 0;
1, 1, 0;
1, 2, 2, 0;
1, 3, 5, 4, 0;
1, 4, 9, 12, 8, 0;
1, 5, 14, 25, 28, 16, 0; (结束)
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