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a(n) = n-th term of A106750 reversed.
2

%I #3 Jul 05 2012 10:37:52

%S 2,1,21,121,21121,12121121,2112112121121,121211212112112121121,

%T 2112112121121121211212112112121121,

%U 1212112121121121211212112112121121121211212112112121121,21121121211211212112121121121211211212112121121121211212112112121121121211212112112121121

%N a(n) = n-th term of A106750 reversed.

%C Arises in analyzing factors of A003842.

%H M. Lothaire, <a href="http://www-igm.univ-mlv.fr/~berstel/Lothaire/">Algebraic Combinatorics on Words</a>, Cambridge, 2002

%Y Cf. A003842, A106750, A213975.

%K nonn

%O 0,1

%A _N. J. A. Sloane_, Jul 05 2012