A033481 - OEIS

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A033481

3x+1 sequence beginning at 21.

21, 64, 32, 16, 8, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1, 4, 2, 1 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	LINKS	`Index entries for sequences related to 3x+1 (or Collatz) problem`
	CROSSREFS	`Sequence in context: A115921 A072395 A113781 * A041862 A041860 A041864` `Adjacent sequences: A033478 A033479 A033480 * A033482 A033483 A033484`
	KEYWORD	`nonn`
	AUTHOR	`Jeff Burch (jmburch(AT)osprey.smcm.edu)`

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Last modified February 15 18:57 EST 2012. Contains 205848 sequences.