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A090019 a(n) = (3*10^n + 2*0^n)/5. 2

%I

%S 1,6,60,600,6000,60000,600000,6000000,60000000,600000000,6000000000,

%T 60000000000,600000000000,6000000000000,60000000000000,

%U 600000000000000,6000000000000000,60000000000000000,600000000000000000

%N a(n) = (3*10^n + 2*0^n)/5.

%C Fifth column of triangle A067410.

%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (10).

%F G.f.: (1-4x)/(1-10x).

%F E.g.f.: (3*exp(10x)+2)/5 = exp(5x)(cosh(5x)+sinh(5x)/5).

%t Join[{1},NestList[10#&,6,20]] (* _Harvey P. Dale_, Apr 02 2015 *)

%K easy,nonn

%O 0,2

%A _Paul Barry_, Nov 20 2003

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Last modified September 22 19:36 EDT 2021. Contains 347608 sequences. (Running on oeis4.)