1,1
If n=47 then 3547 is prime.
Adjacent sequences: A107070 A107071 A107072 this_sequence A107074 A107075 A107076
Sequence in context: A050538 A062227 A111324 this_sequence A111211 A004626 A110999
nonn
Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jun 07 2005
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