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%I #11 Aug 26 2015 01:35:12
%S 11,12,14,18,26,58,298,180298,190534583862796232642707594
%N a(n) in base 10 is a(n-1) in base a(n-1).
%C a(10) already has 684 digits, a(11) has 466681 digits and are too large to include. - _Stefan Steinerberger_, Apr 16 2006
%e 18 in base 18 = 26 in base 10.
%t a[1]:=11;a[n_]:=FromDigits[IntegerDigits[a[n-1]],a[n-1]]; Table[a[n], {n, 1, 10}] (* _Stefan Steinerberger_, Apr 16 2006 *)
%t NestList[FromDigits[IntegerDigits[#],#]&,11,10] (* _Harvey P. Dale_, Mar 04 2012 *)
%K base,easy,nonn,nice
%O 0,1
%A _Erich Friedman_
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