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Search: id:A034659
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| 1, 6, 61, 666, 7321, 80526, 885781, 9743586, 107179441, 1178973846, 12968712301, 142655835306, 1569214188361, 17261356071966, 189874916791621, 2088624084707826, 22974864931786081, 252723514249646886
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OFFSET
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0,2
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FORMULA
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a(n)=11*a(n-1)-5 (with a(1)=1) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 31 2009]
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EXAMPLE
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For n=2, a(2)=11*1-5=6; n=3, a(3)=11*6-5=61; n=4, a(4)=11*61-5=666 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Oct 31 2009]
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CROSSREFS
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Sequence in context: A053462 A160751 A142970 this_sequence A064088 A047737 A086403
Adjacent sequences: A034656 A034657 A034658 this_sequence A034660 A034661 A034662
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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