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A273811 Primes of the form 2^(2^n) + 805. 1
809, 821, 1061, 4294968101, 18446744073709552421 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Terms given correspond to n = 1, 2, 3, 5 and 6.

Next term >= 2^2^25 + 805. - Charles R Greathouse IV, Jun 07 2016

LINKS

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

MATHEMATICA

Select[Table[2^(2^n) + 805, {n, 0, 15}], PrimeQ]

PROG

(MAGMA) [a: n in [0..16] | IsPrime(a) where a is 2^(2^n)+805];

(PARI) for(n=1, 6, if(ispseudoprime(t=2^2^n+805), print1(t", "))) \\ Charles R Greathouse IV, Jun 07 2016

CROSSREFS

Cf. similar sequences listed in A273547.

Sequence in context: A235093 A259959 A160034 * A252028 A031599 A265984

Adjacent sequences:  A273808 A273809 A273810 * A273812 A273813 A273814

KEYWORD

nonn

AUTHOR

Vincenzo Librandi, Jun 03 2016

STATUS

approved

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Last modified June 24 05:39 EDT 2019. Contains 324318 sequences. (Running on oeis4.)