Search: id:A067409
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%I A067409
%S A067409 1,17,1377,111537,9034497,731794257,59275334817,4801302120177,
%T A067409 388905471734337,31501343210481297,2551608800048985057,
%U A067409 206680312803967789617,16741105337121390958977
%N A067409 Ninth column of triangle A067402.
%C A067409 The tenth column gives [1, 19, 1900, 190000, ...].
%F A067409 a(n)= A067402(n+8, 8). a(n)= 17*81^(n-1), n>=1, a(0)=1.
%F A067409 G.f. (1-64*x)/(1-81*x).
%Y A067409 Cf. A067408 (eighth column).
%Y A067409 Sequence in context: A022012 A022546 A128542 this_sequence A007410 A072160 
               A078814
%Y A067409 Adjacent sequences: A067406 A067407 A067408 this_sequence A067410 A067411 
               A067412
%K A067409 nonn,easy
%O A067409 0,2
%A A067409 Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), Jan 25 
               2002

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