1,1
a(n)=primepi(A146214(n))=A000720(A146214(n))
A000720, A146214
Adjacent sequences: A143582 A143583 A143584 this_sequence A143586 A143587 A143588
Sequence in context: A061629 A011944 A012745 this_sequence A151332 A098631 A089836
nonn
Zak Seidov (zakseidov(AT)yahoo.com), Oct 30 2008
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