%I #18 Jan 08 2021 00:48:40
%S 1,2,9,24,55
%N Smallest number m such that every binary string of length >= m contains either an nth power or nth antipower.
%C By "nth power" we mean n consecutive repetitions of a nonempty block. By "nth antipower" we mean n consecutive blocks of the same size, no two of which are equal.
%H Amanda Burcroff, <a href="https://arxiv.org/abs/1807.07945">(k,lambda)AntiPowers and Other Patterns in Words</a>, arXiv:1807.07945 [math.CO], 2018.
%H G. Fici, A. Restivo, M. Silva, and L. Q. Zamboni, <a href="http://arxiv.org/abs/1606.02868">Antipowers in infinite words</a>, arxiv preprint, 1606.02868 [cs.DM], 20162018.
%e For n = 3 the string of length 8 corresponding to 00101001 has no 3power, nor 3antipower. But every binary string of length 9 does.
%K nonn,more
%O 1,2
%A _Jeffrey Shallit_, Jun 27 2016
