%I #6 Nov 15 2013 14:31:13
%S 1,11,12,111,112,121,122,1111,1112,1121,1122,1211,1212,1221,1222,
%T 11111,11112,11121,11122,11211,11212,11221,11222,12111,12112,12121,
%U 12122,12211,12212,12221,12222
%N Elements of the integer compositions sub-operad Comp of TN_2 generated by 00 and 010.
%C Since nonzero terms in the OEIS may not begin with 0, 1 has been added to all the digits.
%H S. Giraudo, <a href="http://arxiv.org/abs/1306.6938">Combinatorial operads from monoids</a>, arXiv preprint arXiv:1306.6938, 2013
%K nonn
%O 1,2
%A _N. J. A. Sloane_, Nov 15 2013