Search: id:A133211
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%I A133211
%S A133211 27,338,3113,29524,280003,3619458,33362676,316408590,3000790339,
%T A133211 28459223116,367878072268,3390948851403,32159451022886,304997313558856,
%U A133211 2892566829325533,37390757461695633,344652632558806213
%N A133211 Sum of all n-digit Perrin numbers.
%H A133211 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               PerrinSequence.html">Perrin Sequence</a>.
%e A133211 Sum of all 1-digit Perrin numbers = 27.
%e A133211 Sum of all 2-digit Perrin numbers = 338.
%e A133211 Sum of all 3-digit Perrin numbers = 3113.
%t A133211 a[n_] := a[n] = a[n - 2] + a[n - 3]; a[0] = 3; a[1] = 0; a[2] = 2; t 
               = Table[a@n, {n, 0, 150}]; Table[Plus @@ Select[t, 10^(n - 1) -1 
               < # < 10^n &], {n, 18}] - Robert G. Wilson v (rgwv(AT)rgwv.com), 
               Oct 14 2007
%Y A133211 Cf. A001608.
%Y A133211 Sequence in context: A048709 A160223 A076394 this_sequence A029947 A030673 
               A030683
%Y A133211 Adjacent sequences: A133208 A133209 A133210 this_sequence A133212 A133213 
               A133214
%K A133211 nonn,base
%O A133211 1,1
%A A133211 Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Oct 11 2007
%E A133211 More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Oct 14 2007

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