A231870 Elements of the sub-operad FCat(2) of TN generated by 00, 01, 02.

1, 11, 12, 13, 111, 112, 113, 121, 122, 123, 124, 131, 132, 133, 134, 135, 1111, 1112, 1113, 1121, 1122, 1123, 1124, 1131, 1132, 1133, 1134, 1135, 1211, 1212, 1213, 1221, 1222, 1223, 1224, 1231, 1232, 1233, 1234, 1235, 1241, 1242, 1243, 1244, 1245, 1246, 1311, 1312, 1313, 1321, 1322, 1323, 1324, 1331, 1332, 1333, 1334

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..57.

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

Crossrefs

Cf. A071159.

Sequence in context: A048035 A048015 A061082 * A231874 A055100 A247849

Adjacent sequences: A231867 A231868 A231869 * A231871 A231872 A231873

Keyword

nonn

Author

N. J. A. Sloane, Nov 14 2013

Status

approved