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Search: id:A105280
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| A105280 |
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a(0)=0; a(n) = 11*a(n-1) + 11. |
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+0
1
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| 0, 11, 132, 1463, 16104, 177155, 1948716, 21435887, 235794768, 2593742459, 28531167060, 313842837671, 3452271214392
(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)=(11/10)(11^n-1), with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jul 09 2008
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MAPLE
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a:=n->sum (11^j, j=1..n): seq(a(n), n=0..12); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 03 2007
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CROSSREFS
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Cf. A052386, A052379, A080674, A029858, A000918.
Adjacent sequences: A105277 A105278 A105279 this_sequence A105281 A105282 A105283
Sequence in context: A068645 A097258 A044041 this_sequence A051431 A014994 A015609
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KEYWORD
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base,easy,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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EXTENSIONS
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Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 07 2006
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