id:A091195 - OEIS Search Results

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Number of numbers <= n having only one abundant divisor.

+0
2

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10 (list; graph; listen)

	OFFSET	`1,18`
	LINKS	`Eric Weisstein's World of Mathematics, Abundant Number`
	CROSSREFS	`Cf. A091191, A091194, A005101.` `Sequence in context: A063510 A156878 A140474 this_sequence A072375 A131981 A130147` `Adjacent sequences: A091192 A091193 A091194 this_sequence A091196 A091197 A091198`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 27 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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