id:A067684 - OEIS Search Results

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Numbers n such that sigma(2n+1)=3n.

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2, 16, 130, 192, 448, 1120, 13468, 23296, 7176640, 135939072, 581150416, 3259721920, 9517877824, 21538220800 (list; graph; listen)

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A037517 A037720 A022018 this_sequence A074623 A002576 A037727` `Adjacent sequences: A067681 A067682 A067683 this_sequence A067685 A067686 A067687`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Feb 04 2002`
	EXTENSIONS	`a(9)-a(14) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Jan 31 2009`

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