A213976 a(n) = n-th term of A106750 reversed.

2, 1, 21, 121, 21121, 12121121, 2112112121121, 121211212112112121121, 2112112121121121211212112112121121, 1212112121121121211212112112121121121211212112112121121, 21121121211211212112121121121211211212112121121121211212112112121121121211212112112121121

Offset: 0

Author

N. J. A. Sloane, Jul 05 2012

Keywords

• nonn

Comments

Arises in analyzing factors of A003842.

Links

• M. Lothaire, Algebraic Combinatorics on Words, Cambridge, 2002

Crossrefs

Cf. A003842, A106750, A213975.