PROG
(MAGMAMagma) [4*9^n+1: n in [0..30]];
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Revision History for A199562
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LINKS
<a href="/index/Rec">Index to sequences with entries for linear recurrences with constant coefficients</a>, signature (10,-9).
LINKS
<a href="/index/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (10,-9).
LINKS
<a href="/Sindx_Rea.htmlindex/Rec#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (10,-9).
AUTHOR
_Vincenzo Librandi (vincenzo.librandi(AT)tin.it), _, Nov 08 2011
STATUS
proposed
approved
STATUS
editing
proposed
LINKS
<a href="/Sindx_Rea.html#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (10,-9).
<a href="/Sindx_Rea.html#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (10,-9).
NAME
allocated for Vincenzo Librandi
4*9^n+1.
DATA
5, 37, 325, 2917, 26245, 236197, 2125765, 19131877, 172186885, 1549681957, 13947137605, 125524238437, 1129718145925, 10167463313317, 91507169819845, 823564528378597, 7412080755407365, 66708726798666277, 600378541187996485
OFFSET
0,1
LINKS
<a href="/Sindx_Rea.html#recLCC">Index to sequences with linear recurrences with constant coefficients</a>, signature (10,-9).
Vincenzo Librandi, <a href="/A199562/b199562.txt">Table of n, a(n) for n = 0..1000</a>
FORMULA
a(n) = 9*a(n-1)-8.
a(n) = 10*a(n-1)-9*a(n-2).
G.f.: (5-13*x)/((1-x)*(1-9*x)).
PROG
(MAGMA) [4*9^n+1: n in [0..30]];
KEYWORD
allocated
nonn,easy
AUTHOR
Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Nov 08 2011
STATUS
approved
editing
NAME
allocated for Vincenzo Librandi
KEYWORD
allocated
STATUS
approved