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A143252 Numbers n such that 2*41^n + 1 is prime. 0
0, 1, 819, 1449, 1677, 13319 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

Primes found and proved by PrimeForm. No more terms up to 30000.

CROSSREFS

Cf. A141802.

Sequence in context: A064583 A105989 A020445 * A200565 A064195 A015308

Adjacent sequences:  A143249 A143250 A143251 * A143253 A143254 A143255

KEYWORD

hard,nonn

AUTHOR

Rick L. Shepherd (rshepherd2(AT)hotmail.com), Aug 02 2008

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Last modified February 14 14:47 EST 2012. Contains 205623 sequences.