%I #11 Feb 10 2020 06:16:40
%S 11,13,19,23,29,37,41,43,47,53,59,61,67,71,79,83,97,101,103,107,109,
%T 113,131,137,139,149,151,157,163,167,173,179,181,191,193,197,199,211,
%U 223,227,229,233,239,241,251,263,269,271,277,281,283,293,307,311,313
%N Flimsy primes.
%C A number n is flimsy if there exists an integer k such that A000120(kn) < A000120(n).
%H Trevor Clokie et al., <a href="https://arxiv.org/abs/2002.02731">Computational Aspects of Sturdy and Flimsy Numbers</a>, arxiv preprint arXiv:2002.02731 [cs.DS], February 7 2020.
%H Kenneth B. Stolarsky, <a href="https://eudml.org/doc/205727">Integers whose multiples have anomalous digital frequencies</a>, Acta Arithmetica 38 (2) (1980), 117-128.
%Y Cf. A000120. This sequence is the complementary sequence (with respect to the primes) of A143027.
%K nonn,base
%O 1,1
%A _Jeffrey Shallit_, Dec 26 2019
|