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A141802 Numbers n such that 2*29^n + 1 is prime. 2
0, 1, 3, 5, 7, 23, 177, 327, 875, 6645 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Primes found and proved by PrimeForm. No more terms up to 20000.

LINKS

Table of n, a(n) for n=1..10.

PROG

(PARI) is(n)=ispseudoprime(2*29^n+1) \\ Charles R Greathouse IV, Jun 06 2017

CROSSREFS

Cf. A141798.

Sequence in context: A216124 A096505 A214680 * A029846 A108313 A045966

Adjacent sequences:  A141799 A141800 A141801 * A141803 A141804 A141805

KEYWORD

hard,nonn

AUTHOR

Rick L. Shepherd, Jul 08 2008

STATUS

approved

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Last modified September 20 08:13 EDT 2019. Contains 327214 sequences. (Running on oeis4.)