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%I #21 Jun 21 2022 06:36:50
%S 12,60,300,1500,7500,37500,187500,937500,4687500,23437500,117187500,
%T 585937500,2929687500,14648437500,73242187500,366210937500,
%U 1831054687500,9155273437500,45776367187500,228881835937500,1144409179687500,5722045898437500,28610229492187500
%N a(n) = 12*5^n.
%H <a href="/index/Rec#order_01">Index entries for linear recurrences with constant coefficients</a>, signature (5).
%F G.f.: 12/(1 - 5*x).
%t 5^Range[20]*12 (* _Alonso del Arte_, Sep 10 2012 *)
%o (PARI) for(i=0,22,print1((12*5^i),", "))
%Y Cf. A000351, A114307.
%K nonn,easy
%O 0,1
%A _V. Raman_, Sep 07 2012