|
Search: id:A105280
|
|
|
| A105280 |
|
a(0)=0; a(n) = 11*a(n-1) + 11. |
|
+0
1
|
|
| 0, 11, 132, 1463, 16104, 177155, 1948716, 21435887, 235794768, 2593742459, 28531167060, 313842837671, 3452271214392
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
FORMULA
|
a(n)=(11/10)(11^n-1), with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jul 09 2008
a(n)=11^n+a(n-1) (with a(0)=0) [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 30 2009]
|
|
EXAMPLE
|
For n=1, a(1)=11+0=11; n=2, a(2)=11^2+11=132; n=3, a(3)=11^3+132=1463 [From Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 30 2009]
|
|
MAPLE
|
a:=n->sum (11^j, j=1..n): seq(a(n), n=0..12); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Oct 03 2007
|
|
CROSSREFS
|
Cf. A052386, A052379, A080674, A029858, A000918.
Sequence in context: A097258 A044041 A158536 this_sequence A051431 A014994 A015609
Adjacent sequences: A105277 A105278 A105279 this_sequence A105281 A105282 A105283
|
|
KEYWORD
|
base,easy,nonn,new
|
|
AUTHOR
|
Alexandre Wajnberg (alexandre.wajnberg(AT)ulb.ac.be), Apr 25 2005
|
|
EXTENSIONS
|
Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 07 2006
|
|
|
Search completed in 0.002 seconds
|
