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A104071 Primes of the form 2^k + 3^3. 2
29, 31, 43, 59, 283, 1051, 8219, 16411, 65563, 1099511627803, 2199023255579, 17592186044443, 77371252455336267181195291, 1298074214633706907132624082305051 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..14.

MATHEMATICA

a = Delete[Union[Flatten[Table[If [PrimeQ[2^n + 27] == True, 2^n + 27, 0], {n, 1, 400}]]], 1]

PROG

(MAGMA) [ a: n in [0..750] | IsPrime(a) where a is 2^n+27]; // Vincenzo Librandi, Nov 13 2010

CROSSREFS

Sequence in context: A102906 A178456 A069453 * A288616 A273547 A132240

Adjacent sequences:  A104068 A104069 A104070 * A104072 A104073 A104074

KEYWORD

nonn

AUTHOR

Roger L. Bagula, Mar 02 2005

STATUS

approved

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Last modified December 6 01:25 EST 2021. Contains 349558 sequences. (Running on oeis4.)