id:A094328 - OEIS Search Results

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Iterate the map in A006368 starting at 4.

+0
3

4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6, 4, 5, 7, 9, 6 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`J. C. Lagarias, The 3x+1 problem and its generalizations, Amer. Math. Monthly, 92 (1985), 3-23.`
	FORMULA	`The map is: n -> if n mod 3 = 0 then 2n/3 elif n mod 3 = 1 then (4n-1)/3 else (4n+1)/3.` `Periodic.` `a(n)=(1/50){51(n mod 5)+61[(n+1) mod 5]+11[(n+2) mod 5]+11[(n+3) mod 5]+21*[(n+4) mod 5]}, with n>=0 - Paolo P. Lava (ppl(AT)spl.at), Jun 26 2007`
	CROSSREFS	`Cf. A006368, A028394-A028397, A094329.` `Sequence in context: A140076 A135186 A011336 this_sequence A081095 A080596 A032492` `Adjacent sequences: A094325 A094326 A094327 this_sequence A094329 A094330 A094331`
	KEYWORD	`nonn`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Jun 04 2004`

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Last modified December 6 22:55 EST 2009. Contains 170429 sequences.

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