A102910 Primes of the form 5^n+8.

13, 2524354896707237777317531408904915934954260592348873615264892578133

Offset

1,1

Comments

The next term, 5^(335)+8, is too large to include.

Links

Table of n, a(n) for n=1..2.

Maple

a:=proc(n) if isprime(5^n+8)=true then [n, 5^n+8] else fi end: seq(a(n), n=1..400); # yields also the value of n

Mathematica

a = Delete[Union[Flatten[Table[If [PrimeQ[5^n + 7 + 1] == True, 5^n + 7 + 1, 0], {n, 1, 400}]]], 1]

Crossrefs

Cf. A217133 (values of n).

Sequence in context: A322517 A257375 A228033 * A262298 A181170 A243830

Adjacent sequences: A102907 A102908 A102909 * A102911 A102912 A102913

Keyword

nonn,bref

Author

Roger L. Bagula, Mar 01 2005

Extensions

Edited by N. J. A. Sloane, Apr 16 2006

Verified by Don Reble, Apr 25 2006

Status

approved