方形数组开始:
1, 1, 1, 1, 1, 1, 1, ...
1, 2, 3, 4, 5, 6, 7, ...
1, 6, 13, 22, 33, 46, 61, ...
1, 29, 81, 163, 281, 441, 649, ...
1, 212, 689, 1564, 2993, 5156, 8257, ...
1, 2117, 7553, 18679, 38705, 71801, 123217, ...
1, 26830, 101961, 268714, 592489, 1166886, 2120545, ...