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Search: id:A062376
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| A062376 |
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Euler phi(n) / Carmichael lambda(n) = 8. |
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+0
1
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| 80, 120, 160, 168, 195, 208, 255, 260, 264, 272, 280, 312, 320, 336, 340, 360, 390, 400, 408, 416, 420, 435, 440, 456, 464, 510, 528, 552, 555, 580, 592, 595, 600, 615, 616, 640, 656, 660, 663, 672, 696, 697, 715, 740, 744, 760, 765, 792, 795, 800, 820
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Solutions to A000010(n)/A002322(n)=8.
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PROGRAM
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(PARI) {cmf(f)=if( ((f[1]==2)&&(f[2]>2)), eulerphi(f[1]^f[2])/2, eulerphi(f[1]^f[2])) } {cl(f)= k=factor(f); l=1; for(x=1, omega(f), l=lcm(l, cmf([k[x, 1], k[x, 2]]))); l } {A062376(n)=eulerphi(n)/cl(n)} for(x=1, 10001, if(A062376(x)==8, print1(x, ", ")))
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CROSSREFS
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Cf. A000010, A002322, A034380, A033948, A033948, A062373-A062377.
Sequence in context: A043223 A039400 A044003 this_sequence A068140 A107931 A134769
Adjacent sequences: A062373 A062374 A062375 this_sequence A062377 A062378 A062379
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KEYWORD
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easy,nonn
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AUTHOR
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Vladeta Jovovic (vladeta(AT)eunet.rs), Jun 17 2001
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EXTENSIONS
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More terms from Randall L. Rathbun, Jan 12 2002
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