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A064377 DivisorSigma[4,x]>EulerPhi[x]^5. +0
2
2, 3, 4, 6, 8, 10, 12, 14, 15, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36, 38, 40, 42, 44, 48, 50, 54, 56, 60, 66, 70, 72, 78, 80, 84, 90, 96, 100, 102, 108, 110, 114, 120, 126, 130, 132, 138, 140, 144, 150, 156, 162, 168, 174, 180, 186, 192, 198, 204, 210, 216, 222, 228, 234, 240, 246, 252, 258, 264, 270, 276, 282, 294, 300, 306, 312, 330, 336, 342, 360, 378, 390, 396, 420, 450, 462, 480, 504, 510, 540, 546, 570, 600, 630, 660, 690, 714, 720, 750, 780, 840, 870, 930, 990, 1020, 1050, 1170, 1260, 1470, 1680, 2310 (list; graph; listen)
OFFSET

1,1

COMMENT

It is conjectured that there are no other solutions.

FORMULA

Solutions to A001159[x]>EulerPhi[x]^5

CROSSREFS

Cf. A001159, A000010.

Sequence in context: A026508 A026281 A081000 this_sequence A034884 A137291 A032954

Adjacent sequences: A064374 A064375 A064376 this_sequence A064378 A064379 A064380

KEYWORD

nonn,fini,full

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Sep 27 2001

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Last modified December 13 23:45 EST 2009. Contains 170824 sequences.


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