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%I #8 Dec 17 2021 06:01:56
%S 5,15,1511,211511,21152112,122112152112,122112151112212211,
%T 2122112231151112212211,21221122311521132221221112,
%U 12312211321321121521132221221112
%N Describe previous term from the right (method A - initial term is 5).
%C Method A = 'frequency' followed by 'digit'-indication.
%e The term after 1511 is obtained by saying "two 1's, one 5, one 1", which gives 211511.
%Y Cf. A022506, A006711, A022482, A022507-A022513.
%K nonn,base,easy,nice
%O 0,1
%A _N. J. A. Sloane_
%E More terms from _Erich Friedman_
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