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%I #1 Sep 21 2005 03:00:00
%S 4,14,1114,3114,132114,31131214,23411214,22132431,32212314,23322114,
%T 32232114,23322114,32232114,23322114,32232114,23322114,32232114,
%U 23322114,32232114
%N Say what you see in previous term, same as A063850 but starting with 4.
%C Eventually periodic.
%o (Perl) #!/usr/bin/perl -l use strict; use warnings; die "Usage: $0 <number>" unless @ARGV==1; $_=shift; { print; my (%cnt, %saw); $cnt{$_}++ for /./g; s/./ $saw{$&}++ ? '' : $cnt{$&} . $& /ge; <>, redo; } __END__
%Y Cf. A005150, A005151, A063850, A112512-A112515.
%K base,easy,nonn
%O 1,1
%A Michele Dondi (blazar(AT)lcm.mi.infn.it), Sep 09 2005
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