A082379 Number of length-n 7/3-power-free words over the alphabet {0,1}.

1, 2, 4, 6, 10, 14, 20, 24, 30, 40, 48, 56, 64, 76, 82, 92, 106, 124, 142, 152, 172, 192, 210, 220, 234, 256, 284, 308, 314, 332, 356, 372, 392, 420, 456, 488, 524, 560, 588, 608, 640, 684, 736, 764, 796, 832, 874, 892, 912, 948, 994, 1020, 1060, 1112, 1184

Offset

0,2

Links

Table of n, a(n) for n=0..54.

Juhani Karhumäki and Jeffrey Shallit, Polynomial versus exponential growth in repetition-free binary words, arXiv:math/0304095 [math.CO], April 7 2003.

Juhani Karhumäki and Jeffrey Shallit, Polynomial versus exponential growth in repetition-free binary words, Journal of Combinatorial Theory, Series A 105 (2004) 335-347.

Crossrefs

Cf. A038952, A028445, A007777, A082380.

Sequence in context: A378195 A121386 A007777 * A167379 A213476 A277085

Adjacent sequences: A082376 A082377 A082378 * A082380 A082381 A082382

Keyword

nonn

Author

Ralf Stephan, Apr 10 2003

Extensions

Name changed by Jeffrey Shallit, Sep 26 2014

More terms from Jeffrey Shallit, Jul 17 2021

Status

approved