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Describe 2^n.
2

%I #7 Oct 10 2019 00:43:48

%S 11,12,14,18,1116,1312,1614,111218,121516,151112,11101214,12101418,

%T 14101916,18111912,1116131814,1312171618,16251316,111311101712,

%U 1216121124,1512141228,11101418151716,12101917111512,14111914131014

%N Describe 2^n.

%e 16 has "one 1, one 6", so a(4) = 1116.

%Y Cf. A005150, A045986, A045988.

%K nonn,easy,base

%O 0,1

%A _N. J. A. Sloane_

%E More terms from _Patrick De Geest_, Jun 15 1999