A025587 - OEIS

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A025587

`3x+1' record-setters (blowup factor).

1, 3, 7, 15, 27, 703, 1819, 4255, 4591, 9663, 26623, 60975, 77671, 113383, 159487, 1212415, 2684647, 3041127, 3873535, 4637979, 5656191, 6416623, 6631675, 19638399, 80049391, 210964383, 319804831 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	LINKS	`Index entries for sequences related to 3x+1 (or Collatz) problem`
	CROSSREFS	`Cf. A061523 for blowup factors.` `Sequence in context: A147638 A147394 A103021 * A101498 A027965 A130145` `Adjacent sequences: A025584 A025585 A025586 * A025588 A025589 A025590`
	KEYWORD	`nonn,nice`
	AUTHOR	`David W. Wilson (davidwwilson(AT)comcast.net)`
	EXTENSIONS	`More terms from Larry Reeves (larryr(AT)acm.org), May 03 2001. The next value is >= 1410123943.`

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Last modified February 17 09:17 EST 2012. Contains 206009 sequences.