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A108365 Integers n such that 10^n - 39 is prime. +0
1
2, 5, 6, 12, 17, 19, 61, 102, 195, 447, 1250, 1329 (list; graph; listen)
OFFSET

1,1

EXAMPLE

If n=2 then 10^n - 39 = 61 (prime).

If n=61 then 10^n - 39 = 9999999999999999999999999999999999999999999999999999999999961 (prime).

CROSSREFS

Cf. A108330, A108328.

Sequence in context: A023143 A085206 A058601 this_sequence A064765 A082552 A057683

Adjacent sequences: A108362 A108363 A108364 this_sequence A108366 A108367 A108368

KEYWORD

hard,nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jul 01 2005

EXTENSIONS

5 more terms from Stefan Steinerberger (hansibal(AT)hotmail.com), Nov 05 2005

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.


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