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A039722
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a[ 1 ]=1,a[ m+1 ]=2*sum{k=1 to floor((m+1)/2)}a[ k ].
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1
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1, 2, 2, 6, 6, 10, 10, 22, 22, 34, 34, 54, 54, 74, 74, 118, 118, 162, 162, 230, 230, 298, 298, 406, 406, 514, 514, 662, 662, 810, 810, 1046, 1046, 1282, 1282, 1606, 1606
(list; graph; refs; listen; history; internal format)
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