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 A171375 1+3*10^n+100^n. 2

%I

%S 5,131,10301,1003001,100030001,10000300001,1000003000001,

%T 100000030000001,10000000300000001,1000000003000000001,

%U 100000000030000000001,10000000000300000000001,1000000000003000000000001,100000000000030000000000001,10000000000000300000000000001

%N 1+3*10^n+100^n.

%H <a href="/index/Rec#order_03">Index entries for linear recurrences with constant coefficients</a>, signature (111,-1110,1000)

%F From _Chai Wah Wu_, May 30 2016: (Start)

%F a(n) = 111*a(n-1) - 1110*a(n-2) + 1000*a(n-3) for n > 2.

%F G.f.: (1310*x^2 - 424*x + 5)/((1 - x)*(1 - 10*x)*(1 - 100*x)). (End)

%F E.g.f.: (1 + 3*exp(9*x) + exp(99*x))*exp(x). - _Ilya Gutkovskiy_, May 30 2016

%t LinearRecurrence[{111,-1110,1000},{5,131,10301},20] (* _Harvey P. Dale_, Jun 03 2016 *)

%K easy,nonn

%O 0,1

%A _Jason Earls_, Dec 07 2009

%E More terms from _Harvey P. Dale_, Jun 03 2016

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Last modified August 14 12:15 EDT 2022. Contains 356116 sequences. (Running on oeis4.)