A167844 Convex primes.

101, 103, 107, 109, 113, 127, 137, 139, 149, 211, 223, 227, 229, 239, 307, 311, 313, 317, 337, 347, 349, 359, 401, 409, 419, 421, 433, 439, 449, 457, 503, 509, 521, 523, 547, 557, 569, 601, 607, 613, 617, 619, 631, 643, 647, 659, 701, 709, 719, 727, 733, 739

Offset: 1

Author

Omar E. Pol, Nov 13 2009

Keywords

• base
• nonn

Comments

Primes in A135641.

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.

See A246033 for a different notion of "convex prime". - N. J. A. Sloane, Jul 25 2017

Links

• Rémy Sigrist, Table of n, a(n) for n = 1..10000
• Rémy Sigrist, PARI program for A167844

Crossrefs

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

See also A246033.

Programs

PARI

\\ See Links section.

Extensions

More terms from Rémy Sigrist, Dec 15 2018