A306889 - OEIS

A306889

Brazilian primes that are also the greater of a pair of twin primes.

7, 13, 31, 43, 73, 241, 421, 463, 601, 1093, 1483, 1723, 2551, 2971, 3541, 4423, 8011, 10303, 17293, 19183, 20023, 22621, 23563, 24181, 27061, 31153, 35533, 41413, 42643, 43891, 46441, 47743, 53593, 55933, 60763, 83233, 84391, 95791, 98911, 123553, 143263, 156421, 164431

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

R. J. Mathar, Table of n, a(n) for n = 1..417

PROG

(PARI) lista(lim)=my(v=List(), t, k); for(n=2, sqrt(lim), t=1+n; k=1; while((t+=n^k++)<=lim, if(isprime(t) && isprime(t-2), listput(v, t)))); v = vecsort(Vec(v), , 8); \\ Michel Marcus, Mar 15 2019

CROSSREFS

Intersection of A006512 and A085104.

Cf. A306845, A306849.

Sequence in context: A298027 A085104 A162652 * A181141 A031158 A301683

Adjacent sequences: A306886 A306887 A306888 * A306890 A306891 A306892

KEYWORD

nonn,base

AUTHOR

Michel Marcus, Mar 15 2019

STATUS

approved