1,2
a(4) = 8 since A037028(3) = 19 and 19 = the 8-th prime.
a(5) = 16 since A037028(4) = 53 and 53 = the 16-th prime.
Cf. A037028.
Sequence in context: A166354 A013025 A034339 this_sequence A085294 A034340 A007669
Adjacent sequences: A126134 A126135 A126136 this_sequence A126138 A126139 A126140
nonn
Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 18 2006
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