id:A007621 - OEIS Search Results

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Impractical numbers: even abundant numbers (A005101) that are not practical(2) (A007620).
(Formerly M5337)

+0
2

70, 102, 114, 138, 174, 186, 222, 246, 258, 282, 318, 350, 354, 366, 372, 402, 426, 438, 444, 474, 490, 492, 498, 516, 534, 550, 564, 572, 582, 606, 618, 636, 642, 650, 654, 678, 708, 732, 738, 748, 762, 770, 774, 786, 804, 822, 834, 836, 846, 852, 876, 894, 906, 910, 940, 942, 948 (list; graph; listen)

	OFFSET	`1,1`
	REFERENCES	`R. Honsberger, Mathematical Gems, M.A.A., 1973, p. 113.`
	CROSSREFS	`A005101 with A007620 removed. Cf. A035480.` `Adjacent sequences: A007618 A007619 A007620 this_sequence A007622 A007623 A007624` `Sequence in context: A114838 A036191 A136117 this_sequence A051971 A075004 A043222`
	KEYWORD	`nonn`
	AUTHOR	`njas, Mira Bernstein, Robert G. Wilson v (rgwv(AT)rgwv.com)`
	EXTENSIONS	`More terms from David W. Wilson (davidwwilson(AT)comcast.net).`

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

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