

A162566


Those primes p where (qp) divides (p+1), where q is the least prime > p.


1



2, 3, 5, 7, 11, 17, 19, 23, 29, 41, 43, 47, 53, 59, 67, 71, 79, 83, 101, 103, 107, 127, 131, 137, 139, 149, 163, 167, 173, 179, 191, 197, 223, 227, 233, 239, 251, 257, 263, 269, 281, 293, 307, 311, 347, 353, 359, 379, 383, 409, 419, 431, 439, 443, 461, 463, 467
(list;
graph;
refs;
listen;
history;
text;
internal format)



OFFSET

1,1


COMMENTS

Algorithm below can easily be run up to P(100000) [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jul 15 2009]


LINKS

Table of n, a(n) for n=1..57.


EXAMPLE

The 17th prime is 59 and the 18th prime is 61. (6159) = 2, and 2 divides 59+1 = 60. So 59 is in the sequence.


MATHEMATICA

For[n = 1, n <= 1000, n++, If[Mod[Prime[n] + 1, Prime[n + 1]  Prime[n]] == 0, Print[Prime[n]]]] [From Jasper Mulder (jasper.mulder(AT)planet.nl), Jul 15 2009]


CROSSREFS

A162565
Sequence in context: A129990 A301590 A293194 * A040085 A040049 A092787
Adjacent sequences: A162563 A162564 A162565 * A162567 A162568 A162569


KEYWORD

nonn


AUTHOR

Leroy Quet, Jul 06 2009


EXTENSIONS

More terms from Jasper Mulder (jasper.mulder(AT)planet.nl), Jul 15 2009


STATUS

approved



