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%I #26 Mar 16 2024 11:19:09
%S 1,121,14521,1742521,209102521,25092302521,3011076302521,
%T 361329156302521,43359498756302521,5203139850756302521,
%U 624376782090756302521,74925213850890756302521,8991025662106890756302521,1078923079452826890756302521,129470769534339226890756302521
%N Reversed decimal expansions of A178510.
%C Related to backward decimal expansion of fraction 1/119 and Pell numbers. [How? - _Joerg Arndt_, May 14 2011]
%H Vincenzo Librandi, <a href="/A178512/b178512.txt">Table of n, a(n) for n = 1..150</a>
%H <a href="/index/Rec#order_02">Index entries for linear recurrences with constant coefficients</a>, signature (121,-120).
%F a(n) = 120*a(n-1) + 1.
%F From _Colin Barker_, Oct 02 2015: (Start)
%F a(n) = 121*a(n-1) - 120*a(n-2) for n > 2.
%F G.f.: x / ((x-1)*(120*x-1)).
%F (End)
%t NestList[120#+1&,1,20] (* _Harvey P. Dale_, May 21 2023 *)
%o (Magma) [(1/119)*(120^n-1): n in [1..20]]; // _Vincenzo Librandi_, May 17 2011
%o (PARI) Vec(x/((x-1)*(120*x-1)) + O(x^20)) \\ _Colin Barker_, Oct 02 2015
%Y Cf. A000129, A021083, A038207, A178510, A178511.
%K nonn,base,easy
%O 1,2
%A _Mark Dols_, May 29 2010
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