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A120134
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a(1)=4; a(n)=floor((8+sum(a(1) to a(n-1)))/2).
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2
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4, 6, 9, 13, 20, 30, 45, 67, 101, 151, 227, 340, 510, 765, 1148, 1722, 2583, 3874, 5811, 8717, 13075, 19613, 29419, 44129, 66193, 99290, 148935, 223402, 335103, 502655, 753982, 1130973, 1696460, 2544690, 3817035, 5725552, 8588328, 12882492
(list; graph; refs; listen; history; internal format)
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