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Search: id:A047856
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| 1, 2, 13, 134, 1465, 16106, 177157, 1948718, 21435889, 235794770, 2593742461, 28531167062, 313842837673, 3452271214394, 37974983358325, 417724816941566, 4594972986357217
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OFFSET
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0,2
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FORMULA
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(11^n + 9)/10. - Ralf Stephan, Feb 14 2004
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MAPLE
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a[0]:=0:a[1]:=1:for n from 2 to 50 do a[n]:=11*a[n-1]+1 od: seq(a[n]+1, n=0..16); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Mar 20 2008
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CROSSREFS
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n-th difference of a(n), a(n-1), ..., a(0) is 10^(n-1) for n=1, 2, 3, ...
Sequence in context: A041509 A079165 A065132 this_sequence A132063 A003414 A003326
Adjacent sequences: A047853 A047854 A047855 this_sequence A047857 A047858 A047859
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KEYWORD
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nonn
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AUTHOR
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Clark Kimberling (ck6(AT)evansville.edu)
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