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Reverse of A317199(n).
1

%I #5 Feb 12 2021 12:14:03

%S 21,312,1213,213121,3121121312

%N Reverse of A317199(n).

%C With a different offset, this is F_n in Bo Tan et al., pp. 1706ff.

%H Bo Tan and Zhi-Ying Wen, <a href="http://dx.doi.org/10.1016/j.ejc.2006.07.007">Some properties of the Tribonacci sequence</a>, European Journal of Combinatorics, 28 (2007) 1703-1719. See Prop. 2.8.

%Y Cf. A317199.

%K nonn,more

%O 1,1

%A _N. J. A. Sloane_, Aug 05 2018