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A000801 Sum [ 2^k / k ], k = 1 . . n.
(Formerly M1015 N0381)
+0
2
2, 4, 6, 10, 16, 26, 44, 76, 132, 234, 420, 761, 1391, 2561, 4745, 8841, 16551, 31114, 58708, 111136, 211000, 401650, 766372, 1465422, 2807599, 5388709, 10359735, 19946715, 38459505, 74250899, 143524565 (list; graph; listen)
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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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