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A273550 Primes of the form 2^(2^n) + 177. 1
179, 181, 193, 433, 65713 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms given correspond to n = 0, 1, 2, 3, and 4.

Next term >= 2^2^23 + 177. - Charles R Greathouse IV, Jun 08 2016

LINKS

Table of n, a(n) for n=1..5.

MATHEMATICA

Select[Table[2^(2^n) + 177, {n, 0, 15}], PrimeQ]

PROG

(MAGMA) [a: n in [0..15] | IsPrime(a) where a is 2^(2^n)+177];

(PARI) for(n=0, 4, if(ispseudoprime(t=2^2^n+177), print1(t", "))) \\ Charles R Greathouse IV, Jun 08 2016

CROSSREFS

Cf. similar sequences listed in A273547.

Sequence in context: A163730 A157842 A323742 * A053017 A140026 A108384

Adjacent sequences:  A273547 A273548 A273549 * A273551 A273552 A273553

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Jun 01 2016

STATUS

approved

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Last modified January 22 02:46 EST 2022. Contains 350481 sequences. (Running on oeis4.)