%I #9 Oct 10 2019 03:56:24
%S 10,11,11,12,13,15,18,1113,1211,1314,25,1819,1124,1223,1327,161110,
%T 191817,11151917,12151814,14111811,16171615,1110191416,112721,
%U 1218161517,1416131618,1715101215,111211131913,111916141118,1311171821
%N Describe the n-th Fibonacci number A000045(n).
%e 21 has "one 2, one 1", so a(8) = 1211.
%Y Cf. A005150, A045986, A045987.
%K nonn,easy,base
%O 0,1
%A _N. J. A. Sloane_
%E More terms from _Patrick De Geest_, Jun 15 1999
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