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A090856
a(n) is the least positive integer such that the integer part of the arithmetic-geometric mean of a(n) and 1 is equal to 3^n.
+0
3
1, 7, 27, 104, 378, 1327, 4553, 15351, 51072, 168147, 548915, 1779377, 5734022, 18384612, 58688163, 186632570, 591509670, 1869118923, 5890466415, 18518945789, 58094637801, 181884111404, 568416743474, 1773443888599
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
)
Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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