%I
%S 7,17,1711,211711,21172112,122112172112,122112171112212211,
%T 2122112231171112212211,21221122311721132221221112,
%U 12312211321321121721132221221112
%N Describe previous term from the right (method A  initial term is 7).
%C Method A = 'frequency' followed by 'digit'indication.
%e E.g. the term after 1711 is obtained by saying "two 1's, one 7, one 1", which gives 211711.
%Y Cf. A022506, A006711, A022482, A022507A022513.
%K nonn,base,easy,nice
%O 0,1
%A _N. J. A. Sloane_.
%E More terms from _Erich Friedman_.
