A063939 Numbers p from A001125 such that 2*p-3 is prime.

41, 251, 991, 1471, 2551, 3301, 4211, 4721, 4931, 5167, 5581, 5791, 7351, 8317, 8581, 9157, 9781, 11701, 12517, 13093, 15541, 16741, 16927, 17341, 18301, 18397, 19121, 19231, 20411, 22571, 23911, 24151, 25741, 26293, 26317, 26681, 27031

Offset

1,1

Links

Harry J. Smith, Table of n, a(n) for n = 1..1000

Prog

(PARI) j=[]; forprime(p=3, 40000, if(znprimroot(p)==6, if(isprime(2*p- 3), j=concat(j, p)))); j
(PARI) { n=0; p=0; for (m=1, 10^9, p=nextprime(p+1); if (znprimroot(p)==6 && isprime(2*p - 3), write("b063939.txt", n++, " ", p); if (n==1000, break)) ) } \\ Harry J. Smith, Sep 03 2009

Crossrefs

Cf. A001125.

Sequence in context: A322241 A140634 A140848 * A239716 A275180 A275128

Adjacent sequences: A063936 A063937 A063938 * A063940 A063941 A063942

Keyword

easy,nonn

Author

Jason Earls, Aug 31 2001

Status

approved