1,1
In general P(k)=k-th prime=k+n where n is the index of the composite P(k)+1 (k>=2)
a(5)=43 because 43+1=44=C(29) and 29 is prime.
Cf. A100718.
Sequence in context: A096452 A059647 A059310 this_sequence A129904 A088513 A004611
Adjacent sequences: A101321 A101322 A101323 this_sequence A101325 A101326 A101327
nonn
Robin Garcia (verob99(AT)teleline.es), Dec 24 2004
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