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Search: id:A105279
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| A105279 |
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a(0)=0; a(n) = 10*a(n-1) + 10. |
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+0
1
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| 0, 10, 110, 1110, 11110, 111110, 1111110, 11111110, 111111110, 1111111110, 11111111110, 111111111110, 1111111111110, 11111111111110, 111111111111110, 1111111111111110
(list; graph; listen)
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OFFSET
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0,2
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FORMULA
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a(n)=-10/9+(10/9)*10^n, with n>=0
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MAPLE
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a:=n->sum (10^j, j=1..n): seq(a(n), n=0..15); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 03 2007
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PROGRAM
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(Other) sage: [gaussian_binomial(n, 1, 10)-1 for n in xrange(1, 17)] # [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), May 29 2009]
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CROSSREFS
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Cf. A052386, A052379, A080674, A029858, A000918.
Sequence in context: A054617 A144099 A102092 this_sequence A057093 A055276 A143749
Adjacent sequences: A105276 A105277 A105278 this_sequence A105280 A105281 A105282
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KEYWORD
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nonn
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AUTHOR
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Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Apr 25 2005
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