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A167844 Convex primes. 7

%I #15 Aug 03 2022 02:35:39

%S 101,103,107,109,113,127,137,139,149,211,223,227,229,239,307,311,313,

%T 317,337,347,349,359,401,409,419,421,433,439,449,457,503,509,521,523,

%U 547,557,569,601,607,613,617,619,631,643,647,659,701,709,719,727,733,739

%N Convex primes.

%C Primes in A135641.

%C Primes whose structure of digits represents a convex function or a convex object. In the graphic representation the points are connected by imaginary line segments from left to right.

%C See A246033 for a different notion of "convex prime". - _N. J. A. Sloane_, Jul 25 2017

%H Rémy Sigrist, <a href="/A167844/b167844.txt">Table of n, a(n) for n = 1..10000</a>

%H Rémy Sigrist, <a href="/A167844/a167844.gp.txt">PARI program for A167844</a>

%o (PARI) See Links section.

%Y Cf. A134811, A134951, A134971, A135641, A167841, A167842, A167843, A167845, A167846, A167853.

%Y See also A246033.

%K base,nonn

%O 1,1

%A _Omar E. Pol_, Nov 13 2009

%E More terms from _Rémy Sigrist_, Dec 15 2018

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Last modified August 15 06:41 EDT 2024. Contains 375172 sequences. (Running on oeis4.)