已知等比数列{an}中a1=64,公比q≠1,且a2,a3,a4分别为某等差数列的第5项,第3项,第2项.
(Ⅰ)求数列{an}的通项公式;
(Ⅱ)设bn=log2an,求数列{|bn|}的前n项和Tn.
0 90485 90493 90499 90503 90509 90511 90515 90521 90523 90529 90535 90539 90541 90545 90551 90553 90559 90563 90565 90569 90571 90575 90577 90579 90580 90581 90583 90584 90585 90587 90589 90593 90595 90599 90601 90605 90611 90613 90619 90623 90625 90629 90635 90641 90643 90649 90653 90655 90661 90665 90671 90679 266669
(Ⅰ)求数列{an}的通项公式;
(Ⅱ)设bn=log2an,求数列{|bn|}的前n项和Tn.