A066873 - OEIS

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A066873

Number of amicable pairs where smaller term of the pair is less than 10^n.

0, 0, 1, 5, 13, 42, 108, 236, 586, 1427, 3340, 7642, 17519, 39374 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,4`
	LINKS	`Shyam Sunder Gupta, Amicable Numbers` `J. O. M. Pedersen, Known Amicable Pairs` `J. O. M. Pedersen, Tables of Aliquot Cycles` `Index entries for sequences related to amicable numbers`
	EXAMPLE	`There are 13 pairs with smaller term of the pair < 10^5, so a(5) = 13.`
	CROSSREFS	`Cf. A063990.` `Sequence in context: A147718 A111009 A012172 * A105262 A129789 A093576` `Adjacent sequences: A066870 A066871 A066872 * A066874 A066875 A066876`
	KEYWORD	`nonn`
	AUTHOR	`Shyam Sunder Gupta (guptass(AT)rediffmail.com), Jan 21 2002`
	EXTENSIONS	`Edited by Klaus Brockhaus (klaus-brockhaus(AT)t-online.de), May 31 2003`

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Last modified February 14 04:48 EST 2012. Contains 205570 sequences.