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%I #9 May 01 2013 21:13:45
%S 7,17,1127,311237,51222347,615233141557,91625324451667,
%T 11182634465467719,1519273747576971829,181112838495861472859,
%U 23113293104115961577879,1029115212311413510618788109,40391182143124155116197118129,50501212163154175126207138159,80581252183164225146227148169
%N a(n) contains the nonzero frequencies f(d) of digits d=0 .. 9 in all terms up to a(n-1) in concatenated form sorted with respect to d: f(0)//0//f(1)//1//...//f(9)//9. Initial term a(1)=7.
%C For a Mathematica program, see A177360 (you have to slightly modify it) [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jun 04 2010]
%H J. Mulder, <a href="/A177366/b177366.txt">Table of n, a(n) for n = 1..25000</a>
%e Seven; one seven; one one, two sevens; three ones, one twos, three sevens; five ones, two twos, thwo threes, four sevens; six ones, five twos, three threes, one four, one five, five sevens; etc.
%Y Cf. A060857, A177359 - A177368.
%K easy,nonn,base
%O 1,1
%A _Paolo P. Lava_ and _Giorgio Balzarotti_, May 10 2010
%E Terms corrected using values in b-file. - _N. J. A. Sloane_, Oct 05 2010
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