1,3
Primes found and proved by PrimeForm. No more terms up to 10000.
Sequence in context: A009584 A013562 A081681 this_sequence A141349 A018427 A136732
Adjacent sequences: A141771 A141772 A141773 this_sequence A141775 A141776 A141777
nonn
Rick L. Shepherd (rshepherd2(AT)hotmail.com), Jul 03 2008
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