id:A050389 - OEIS Search Results

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Reversion of divisor function A000005.

+0
2

1, -2, 6, -23, 102, -494, 2530, -13456, 73539, -410282, 2326674, -13371039, 77697536, -455749550, 2694915548, -16047294182, 96143497559, -579147165864, 3505497238320, -21309996083015, 130048125280624 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Index entries for reversions of series` `N. J. A. Sloane, Transforms`
	CROSSREFS	`Cf. A050390.` `Sequence in context: A133656 A078487 A120346 this_sequence A098746 A088929 A004040` `Adjacent sequences: A050386 A050387 A050388 this_sequence A050390 A050391 A050392`
	KEYWORD	`sign`
	AUTHOR	`Christian G. Bower (bowerc(AT)usa.net), Nov 15 1999.`

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

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