方形数组开始:
1, 1, 1, 1, 1, 1, 1, 1, 1, 1, ...
1, 1, 2, 2, 3, 3, 4, 4, 5, 5, ...
1, 2, 3, 5, 7, 9, 12, 15, 18, 22, ...
1, 2, 5, 8, 14, 20, 30, 40, 55, 70, ...
1, 3, 7, 14, 25, 42, 66, 99, 143, 200, ...
1, 3, 9, 20, 42, 75, 132, 212, 333, 497, ...
1, 4, 12, 30, 66, 132, 245, 429, 715, 1144, ...
1, 4, 15, 40, 99, 212, 429, 800, 1430, 2424, ...
1, 5, 18, 55, 143, 333, 715, 1430, 2700, 4862, ...
1, 5, 22, 70, 200, 497, 1144, 2424, 4862, 9225, ...
...
通过反对偶阅读,我们得到:
1;
1, 1;
1, 1, 1;
1, 2, 2, 1;
1, 2, 3, 2, 1;
1, 3, 5, 5, 3, 1;
1, 3, 7, 8, 7, 3, 1;
1, 4, 9, 14, 14, 9, 4, 1;
1, 4, 12, 20, 25, 20, 12, 4, 1;
1, 5, 15, 30, 42, 42, 30, 15, 5, 1;
1, 5, 18, 40, 66, 75, 66, 40, 18, 5, 1;
1, 6, 22, 55, 99, 132, 132, 99, 55, 22, 6, 1;
...