Search: id:A067484
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%I A067484
%S A067484 6,60466176,609359740010496,6140942214464815497216,
%T A067484 61886548790943213277031694336,623673825204293256669089197883129856,
%U A067484 6285195213566005335561053533150026217291776
%N A067484 Powers of 6 with initial digit 6.
%C A067484 The geometric progression formula a(n)=10077696*a(n-1) does NOT hold 
               if n=20, 40, 59, 79, 98, etc. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), 
               Jun 24 2009]
%H A067484 Tanya Khovanova, <a href="http://www.tanyakhovanova.com/RecursiveSequences/
               NonRecursions.html">Non Recursions</a>
%p A067484 A067484 := proc(n) local p6,p,a ; if n = 0 then 6; else p6 := procname(n-1) 
               ; ifactors(p6)[2] ; p := op(2,op(1,%)) ; for a from p+1 do p6 := 
               6^a ; convert(%,base,10) ; if op(-1,%) = 6 then RETURN(p6) ; fi; 
               od: fi; end: [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jun 
               24 2009]
%Y A067484 Cf. A067480, A067481, A067482, A067483.
%Y A067484 Sequence in context: A072234 A115476 A116272 this_sequence A058431 A045518 
               A058457
%Y A067484 Adjacent sequences: A067481 A067482 A067483 this_sequence A067485 A067486 
               A067487
%K A067484 base,easy,nonn
%O A067484 0,1
%A A067484 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 09 2002
%E A067484 More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 22 2002

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