| 2, 2, 7, 11, 23, 13, 43, 37, 59, 41, 113, 53, 157, 89, 127, 131, 277, 109, 347, 163, 257, 223, 509, 19, 503, 313, 487, 337, 821, 241, 937, 521, 661, 547, 853, 433, 1361, 691, 937, 641, 1657, 509, 1811, 881, 1087, 1013, 2179, 769, 2063, 1009, 1637, 1249, 2767
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The sequence generally goes up,down,up,down...
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EXAMPLE
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phi(3^2)=phi(9)=6, therefore a(3)=7
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PROGRAM
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(PARI) for (n=1, 100, print1(nextprime(eulerphi(n^2))", "))
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CROSSREFS
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Sequence in context: A005223 A118680 A094116 this_sequence A005298 A063692 A123209
Adjacent sequences: A079473 A079474 A079475 this_sequence A079477 A079478 A079479
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KEYWORD
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nonn
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AUTHOR
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Jon Perry (perry(AT)globalnet.co.uk), Jan 15 2003
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