A231873 - OEIS

A231873

Elements of the integer compositions sub-operad Comp of TN_2 generated by 00 and 010.

1, 11, 12, 111, 112, 121, 122, 1111, 1112, 1121, 1122, 1211, 1212, 1221, 1222, 11111, 11112, 11121, 11122, 11211, 11212, 11221, 11222, 12111, 12112, 12121, 12122, 12211, 12212, 12221, 12222

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OFFSET

1,2

COMMENTS

Since nonzero terms in the OEIS may not begin with 0, 1 has been added to all the digits.

LINKS

Table of n, a(n) for n=1..31.

S. Giraudo, Combinatorial operads from monoids, arXiv preprint arXiv:1306.6938, 2013

CROSSREFS

Sequence in context: A193023 A278985 A071159 * A096299 A110382 A095764

Adjacent sequences: A231870 A231871 A231872 * A231874 A231875 A231876

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Nov 15 2013

STATUS

approved