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A330696 Flimsy primes. 0
11, 13, 19, 23, 29, 37, 41, 43, 47, 53, 59, 61, 67, 71, 79, 83, 97, 101, 103, 107, 109, 113, 131, 137, 139, 149, 151, 157, 163, 167, 173, 179, 181, 191, 193, 197, 199, 211, 223, 227, 229, 233, 239, 241, 251, 263, 269, 271, 277, 281, 283, 293, 307, 311, 313 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A number n is flimsy if there exists an integer k such that A000120(kn) < A000120(n).

LINKS

Table of n, a(n) for n=1..55.

Trevor Clokie et al., Computational Aspects of Sturdy and Flimsy Numbers, arxiv preprint arXiv:2002.02731 [cs.DS], February 7 2020.

Kenneth B. Stolarsky, Integers whose multiples have anomalous digital frequencies, Acta Arithmetica 38 (2) (1980), 117-128.

CROSSREFS

Cf. A000120. This sequence is the complementary sequence (with respect to the primes) of A143027.

Sequence in context: A164861 A040150 A214629 * A103803 A188677 A068801

Adjacent sequences:  A330693 A330694 A330695 * A330697 A330698 A330699

KEYWORD

nonn,base

AUTHOR

Jeffrey Shallit, Dec 26 2019

STATUS

approved

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Last modified August 4 13:22 EDT 2020. Contains 336201 sequences. (Running on oeis4.)