A147648 - OEIS

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A147648

Number of distinct even superperfect numbers dividing n.

0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 4, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	COMMENTS	`Also, numbers of distinct superperfect numbers dividing n, if there are no odd superperfect numbers.`
	CROSSREFS	`Cf. A001221, A019279, A061652, A080225, A147645.` `Sequence in context: A070105 A111397 A131743 * A113686 A192033 A193403` `Adjacent sequences: A147645 A147646 A147647 * A147649 A147650 A147651`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Nov 09 2008`

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Last modified February 16 01:31 EST 2012. Contains 205860 sequences.