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Table[2^(n - 2) (n(n - 1) + 6) - (n + 1), {n, 30}]——通项公式不需要取整符号。
{1, 5, 20, 67, 202, 569, 1528, 3959, 9974, 24565, 59380, 141299, 331762, 770033, 1769456, 4030447, 9109486, 20447213, 45613036, 101187563, 223346666,
490733545, 1073741800, 2340421607, 5083496422, 11005853669, 23756537828, 51136954339, 109790101474, 235149459425, 502511173600, 1071594340319,
2280627634142, 4844723109853, 10273561771996, 21749714386907, 45973329936346, 97031901151193, 204509162766296, 430458802274263, ......} |
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