A006513 - OEIS

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A006513

Image of n after 2k iterates of `(3x+1)/2' map (k large).
(Formerly M0189)

1, 2, 2, 1, 1, 1, 2, 2, 2, 2, 1, 2, 2, 1, 1, 1, 2, 1, 1, 1, 1, 2, 2, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 1, 2, 1, 2 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	REFERENCES	`R. K. Guy, Unsolved Problems in Number Theory, E16.` `N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).`
	LINKS	`J. C. Lagarias, The 3x+1 problem and its generalizations, Amer. Math. Monthly, 92 (1985), 3-23.` `Index entries for sequences related to 3x+1 (or Collatz) problem`
	CROSSREFS	`Sequence in context: A025451 A184257 A201208 * A105224 A143488 A201159` `Adjacent sequences: A006510 A006511 A006512 * A006514 A006515 A006516`
	KEYWORD	`nonn,more`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com).`

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.