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A127010
a(0)=1. a(n) = the numerator of the sum of the reciprocals of the earlier terms of the sequence which are coprime to n.
+0
2
1, 1, 2, 5, 11, 57, 126, 17609, 127439468, 344473534513077, 891027683693605833852, 156052046552117500148945259643265853536683707838813
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Maintained by
N. J. A. Sloane
(
njas@research.att.com
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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.
AT&T Labs Research
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