A058253 Primes p such that 4^p - 3 is prime.

2, 3, 5, 7, 11, 47, 61, 347, 7057

Offset

1,1

Comments

In the sequence, but not necessarily the next terms: 25237, 33211, 177473, 351097.

Links

Table of n, a(n) for n=1..9.

Mathematica

Select[Prime@ Range[10^3], PrimeQ[4^# - 3] &] (* Michael De Vlieger, Dec 25 2016 *)

Crossrefs

Sequence in context: A232183 A289862 A036343 * A004089 A092791 A070892

Adjacent sequences: A058250 A058251 A058252 * A058254 A058255 A058256

Keyword

nonn

Author

G. L. Honaker, Jr., Dec 05 2000

Status

approved