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A155674 11^n-10^n+1^n 0
1, 2, 22, 332, 4642, 61052, 771562, 9487172, 114358882, 1357947692, 15937424602, 185311670612, 2138428376722, 24522712143932, 279749833583242, 3177248169415652, 35949729863572162, 405447028499293772 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
FORMULA
G.f.: 1/(1-11*x)-1/(1-10*x)+1/(1-x). E.g.f.: e^(11*x)-e^(10*x)+e^x.
a(n)=21*a(n-1)-110*a(n-2)+90 with a(0)=1, a(1)=2 [From Vincenzo Librandi, Jul 21 2010]
CROSSREFS
Sequence in context: A299824 A355724 A266888 * A279619 A364826 A245113
KEYWORD
nonn
AUTHOR
Mohammad K. Azarian, Feb 01 2009
STATUS
approved

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Last modified April 25 06:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)