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A091883 Expansion of (1-5x)/((1+5x)(1-10x)). +0
2
1, 0, 50, 250, 3750, 31250, 343750, 3281250, 33593750, 332031250, 3339843750, 33300781250, 333496093750, 3332519531250, 33337402343750, 333312988281250, 3333435058593750, 33332824707031250, 333335876464843750 (list; graph; listen)
OFFSET

0,3

COMMENT

A091903(n)=a(n+1)/50. a(n)/a(n+1)->1/10.

FORMULA

a(n)=10^n/3+2(-5)^n/3.

CROSSREFS

Sequence in context: A031692 A115592 A097371 this_sequence A091414 A046656 A124809

Adjacent sequences: A091880 A091881 A091882 this_sequence A091884 A091885 A091886

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), Feb 10 2004

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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