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A005510
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a(n)=1+a([ n/2 ])*a( ceiling ( n/2 ) ).
(Formerly M2842)
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0
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3, 10, 31, 101, 311, 962, 3132, 10202, 31412, 96722, 299183, 925445, 3012985, 9809425, 31952665, 104080805, 320465225, 986713745, 3038231465, 9355145285, 28937578127
(list; graph; refs; listen; history; internal format)
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