A067684 - OEIS

This site is supported by donations to The OEIS Foundation.

A067684

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

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

	OFFSET	`1,1`
	CROSSREFS	`Sequence in context: A037517 A037720 A022018 * A074623 A002576 A037727` `Adjacent sequences: A067681 A067682 A067683 * 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`

Content is available under The OEIS End-User License Agreement .

Last modified February 17 21:13 EST 2012. Contains 206085 sequences.