id:A074906 - OEIS Search Results

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Aliquot sequence starting at 1521.

+0
2

1521, 858, 1158, 1170, 2106, 2976, 5088, 8520, 17400, 38400, 88452, 196924, 228004, 255836, 255892, 339948, 708372, 1392748, 1392804, 2631580, 3684548, 3684604, 4502876, 4502932, 4630444, 5343604, 5343660, 13185396, 26489484 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`This aliquot sequence starts with the least odd number such that the sequence does not repeat a term after 20 or fewer terms.`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, B6.`
	LINKS	`Christophe CLAVIER, Aliquot Sequences`
	EXAMPLE	`a(0)= 1521, a(1) = sigma(1521) - 1521 = 858`
	CROSSREFS	`Cf. A008888, A008889.` `Sequence in context: A020415 A112641 A157375 this_sequence A025413 A025410 A103962` `Adjacent sequences: A074903 A074904 A074905 this_sequence A074907 A074908 A074909`
	KEYWORD	`nonn`
	AUTHOR	`Robert A. Stump (bee_ess107(AT)msn.com), Sep 30 2002`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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