A034095 - OEIS

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A034095

Indices of (-1)sigma perfect numbers.

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

	OFFSET	`0,5`
	FORMULA	`a(n)=(-1)sigma(A034094(n))/A034094(n).`
	CROSSREFS	`Cf. A034094.` `Sequence in context: A096831 A191516 A168141 * A105971 A080354 A024935` `Adjacent sequences: A034092 A034093 A034094 * A034096 A034097 A034098`
	KEYWORD	`nonn`
	AUTHOR	`Yasutoshi Kohmoto (zbi74583(AT)boat.zero.ad.jp)`

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Last modified February 15 18:45 EST 2012. Contains 205835 sequences.