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本帖最后由 王守恩 于 2021-2-15 14:56 编辑
规律不好找,好像是这样的?
1,LinearRecurrence[{99, -99, 1}, {40, 3960, 388080}, 12]
{40, 3960, 388080, 38027920, 3726348120, 365144087880, 35780394264160,
3506113493799840, 343563341998120200, 33665701402321979800,
3298895174085555900240, 323258061358982156243760}
2,LinearRecurrence[{10, -1}, {9, 89}, 12]
{9, 89, 881, 8721, 86329, 854569, 8459361, 83739041,
828931049, 8205571449, 81226783441, 804062262961}
3,LinearRecurrence[{10, -1}, {11, 109}, 12]
{11, 109, 1079, 10681, 105731, 1046629, 10360559, 102558961,
1015229051, 10049731549, 99482086439, 984771132841} |
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