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

Offset: 1

Author

Michel Marcus, Mar 15 2019

Keywords

• nonn
• base

Links

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

Crossrefs

Intersection of A006512 and A085104.

Cf. A306845, A306849.

Programs

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