数组开始:
{1, 4, 7, 10, 14, 17, 20, 24, 27, 30, ...}
{1, 7, 20, 40, 67, 101, 142, 190, 244, 306, ...}
{1, 9, 34, 86, 175, 313, 507, 768, 1105, 1530, ...}
{1, 10, 46, 141, 338, 694, 1273, 2155, 3427, 5194, ...}
{1, 10, 55, 192, 522, 1197, 2432, 4520, 7838, 12867, ...}
{1, 10, 62, 242, 733, 1848, 4106, 8289, 15519, 27365, ...}
{1, 10, 67, 287, 945, 2579, 6179, 13389, 26809, 50351, ...}
{1, 10, 72, 331, 1169, 3419, 8751, 20198, 42950, 85411, ...}
{1, 10, 76, 369, 1385, 4298, 11654, 28434, 63768, 133440, ...}
{1, 10, 79, 402, 1581, 5158, 14697, 37627, 88415, 193571, ...}