id:A091455 - OEIS Search Results

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Integers n such that 3*phi(n) < n that are not multiples of smaller integers with this property.

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30, 42, 66, 78, 102, 114, 138, 174, 186, 222, 246, 258, 282, 318, 354, 366, 402, 426, 438, 474, 498, 534, 582, 606, 618, 642, 654, 678, 762, 770, 786, 822, 834, 894, 906, 910, 942, 978, 1002, 1038, 1074, 1086, 1146, 1158, 1182, 1190, 1194, 1266, 1330 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`a = {}; Do[ ep = EulerPhi[n]; If[ 3ep < n && Union[ Map[ IntegerQ, n/a]] != {False, True}, AppendTo[a, n]; Print[n]], {n, 1, 1361}]`
	CROSSREFS	`Cf. A091454.` `Adjacent sequences: A091452 A091453 A091454 this_sequence A091456 A091457 A091458` `Sequence in context: A034683 A087248 A046401 this_sequence A050776 A090692 A102843`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 10 2004`

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Last modified May 16 23:01 EDT 2008. Contains 139884 sequences.

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