A177365 - OEIS

A177365

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)=6.

%I #9 May 01 2013 21:13:45

%S 6,16,1126,311236,51222346,615233141556,916253244576,

%T 10182634465961719,1014192736475126271839,20191122938485146572859,

%U 30231162103104115156675889,60301182133114145186777899,80371192163134155206107108119,120461212193144175226127128139

%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)=6.

%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="/A177365/b177365.txt">Table of n, a(n) for n = 1..25000</a>

%e Six; one six; one one, two sixes; three ones, one two, three sixes; five ones, two twos, two threes, four sixes; six ones, five twos, three threes, one four, one five, five sixes; 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