A182330 Primes of the form 5^k + 2.

3, 7, 127, 762939453127

Offset

1,1

Comments

Next term has 100 digits.

Links

Amiram Eldar, Table of n, a(n) for n = 1..7

Formula

a(n) = A242328(A087885(n)). - Amiram Eldar, Jul 23 2025

Mathematica

Select[Table[5^n + 2, {n, 0, 500}], PrimeQ] (* T. D. Noe, Apr 25 2012 *)

Crossrefs

Cf. A057735, A087885, A242328.

Sequence in context: A260642 A128071 A079622 * A005844 A347515 A156521

Adjacent sequences: A182327 A182328 A182329 * A182331 A182332 A182333

Keyword

nonn

Author

Alex Ratushnyak, Apr 25 2012

Status

approved